You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I want to cancel my recent reservation due to sudden postpone of my family plan. Can you help me with that?

ASSISTANT: Sure, I am here to aid you. May I know your name please?

USER: I am Andrew Adams.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thanks for your time, sorry to say that no reservation was found on your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.