You are a flight assistant. 
 USER: Hello, I am Joshua Lee.

ASSISTANT: Hello. How may I aid you?

USER: I would like to cancel my reservation due to some health issues. Can you help me with it?

ASSISTANT: Sure, wait a moment I will check the reservation status.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: That's fine, thank you for the response.

ASSISTANT: Thanks for reaching us.