Hello,.
user
Hello. How may I aid you?
assistant
I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Please help me in changing?
user
Sure, I will help you in change of flight reservation.
assistant
Thank you.
user
May I know your name please?
assistant
I am Thomas Phillips.
user
Thanks for waiting. Sorry to say that there is no flight reservation on your name to change it.
assistant
Ok, no issues. Thank you for your information.
user
Thank you.
assistant