Hello.
user
Hello, how can I aid you?
assistant
I just want to change my flight reservation as I am sick, please help me out.
user
Sure, may I know your name?
assistant
Myself Gregory Lopez.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
That's ok. Thank you for your service.
user
Thank you.
assistant