You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Robinson.

ASSISTANT: How may I aid you?

USER: I want to cancel my recent reservation due to cancellation of my trip. Can you help me?

ASSISTANT: Sure. Please, wait a while.

USER: Ok.

ASSISTANT: Thank you for your time. We could not find any reservation on your name.

USER: That's fine.

ASSISTANT: Thank you for availing us.

USER: Thank you.