Hello.
user
Hello, how can I aid you today?
assistant
I want to change my recent reservation, because I am unable to catch the flight in those dates. Can you help me in changing my ticket?
user
Sure, I will help you with that. May I know your name for checking your reservation?
assistant
Yes, my name is David Evans.
user
Ok, wait for a minute.
assistant
Ok, take your time.
user
Sorry Davis, your reservation is not found in our database.
assistant
It's ok, no issues. Anyway's thank you for the information.
user
Thank you for consulting us.
assistant
You are welcome.
user