The phrase "assigned to try to" is correct and usable in written English.
It can be used when referring to someone who has been given a task or responsibility that involves attempting to achieve something.
Example: "The team was assigned to try to improve the efficiency of the production process."
Alternatives: "designated to attempt to" or "tasked with trying to".
Again, he was assigned to try to recruit Iranians as spies, and soon received a positive evaluation.
A dedicated research, development, and engineering team was assigned to try to re-create Saran Wrap without PVDCs within a year.
The Rangers entered the game with the intention of using the young defensemen Marc Staal and Dan Girardi as the "shutdown pair" assigned to try to contain Alex Ovechkin.
It was an occupational hazard, not only for her colleagues who strayed from the path, but also for those of us in the permanent British press assigned to try to keep up with her bustling pace.
Mr. Basavanahalli, who began in his current role this month, has been assigned to try to reintroduce the Fiat brand and introduce the Jeep and Abarth model lines in India, even as established names like India's own Tata Motors see sales plummet.
The conference committee was assigned to try to reconcile differences between separate budgets passed earlier this year by the Senate and the House.
The decision about his fitness to stand trial will be up to the district judge assigned to try the case.
The Wafd Party alerted the Arabic Network for Human Rights Information, which assigned lawyers to try to help the family.
Several drug companies, including Pfizer, quickly assigned chemists to try to concoct such a chemical, but most gave up in frustration.
A cover-up effort followed, prosecutors said, directed from Venezuela and reaching up to Mr. Ch z himself, who assigned his intelligence chief to try to keep Mr. Antonini Wilson silent, according to testimony from witnesses.
Harry Markopolos, who was ignored by the agency when he first began to suspect Bernard L. Madoff of fraud, was originally assigned by his firm to try to understand how it was consistently outperformed by Mr. Madoff.
