You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Wright here.

ASSISTANT: How may I help you?

USER: I would like to cancel my recent reservation, can you help me?

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no seat reserved with your name to cancel it.

USER: That's fine, thanks for your information.

ASSISTANT: Welcome Joseph Wright.