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Discover LudwigThe phrase "confirmation number" is correct and usable in written English.
You can use it when referring to a unique identifier assigned to a transaction, booking, or order for verification purposes.
Example: "Please provide your confirmation number to complete the check-in process."
Alternatives: "reference number" or "booking code."
Exact(60)
"Could you repeat that confirmation number?" January 8 , 2015
It contained a confirmation number for a Delta Airlines flight.
Will I get a confirmation number that payment was accepted?
A confirmation number is usually supplied via e-mail or directly on the screen.
So I canceled via e-mail and received a cancellation confirmation number.
Include that confirmation number in the appropriate box at the bottom of the Request Form.
You will receive a confirmation number upon completion of the form.
Ms. Gordon wrote down a confirmation number, thanked her and hung up.
I got two e-mail messages, one with a confirmation number for my order and for the air trip, and a sheet of instructions, and the other with my hotel confirmation number and suggestions for activities and places to eat.
Using your confirmation number, Yapta.com will automatically track the price of your ticket, taking the airline's fees into consideration.
By the time I landed, I had the information and confirmation number for the shuttle transfer I needed upon arrival.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com