Hi. Anna Hill here.
user
Hello, how may I aid you at present?
assistant
Can you change my flight ticket reservation?
user
Sure, we are glad to help you to change your previous reservation.
assistant
I want to change my travel dates for my business trip to Dallas & Fort Worth.
user
Ok. Please wait for a couple of minutes, I will check with your previous reservation on your name in our data base.
assistant
Sure.
user
Sorry to inform you that, there was no reservation found on your name to change it.
assistant
Not a problem. Thanks for your help.
user
Thank you for choosing our service.
assistant