You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: As my business trip is cancelled I want to cancel my reservation.

ASSISTANT: Sure, I will help you. Can you please tell me your good name for checking the existing reservation?

USER: Edward Adams here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I am sorry to inform you Adams, there is no reservation with your name.

USER: No problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for helping me.