You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to cancel my reservation as my board meeting got postponed.

ASSISTANT: May I know your name?

USER: My name is Amy Clark.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. There is no reservation found by this name.

USER: Ok. Thank you.

ASSISTANT: Thank you for consulting us.