You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel reservation.

ASSISTANT: Sure, may I know your name please?

USER: Eric Harris.

ASSISTANT: OK, please wait a while. Let me check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately there is no reservation found with your name.

USER: Thanks for your help.