You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Janet Campbell. I want to cancel my reservation, help in cancelling my reservation.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation with your name.

USER: That's ok, thanks for your help.

ASSISTANT: Thanks for consulting us.