Hi.
user
Hello, how may I serve you?
assistant
I need to change my reservation due to urgent meeting, can you help me with that?
user
Sure, may I know your good name?
assistant
I am Joseph Scott.
user
Please wait.
assistant
Sure.
user
There is no reservation found on your name in our airline database.
assistant
That's ok. Thank you for your service.
user
Thank you for choosing us.
assistant