You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you please help me with cancelling my recent reservation?

ASSISTANT: Yes, I am here to help you. May I know your name please?

USER: My name is Patricia Johnson.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: That's ok, thanks for checking.

ASSISTANT: Thank you for reaching us, have a nice day.