Hi.
user
Hello.
assistant
Please help me in changing my existing reservation?
user
Sure, I will help you out. May I know your name please?
assistant
I have reserved my ticket with name Thomas Adams.
user
Please wait for a while.
assistant
Ol. Ok.
user
Sorry, there are no reservations found on this name.
assistant
Ok, fine. Thank you for informing me.
user
Thank you for choosing us.
assistant