You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I just want to cancel my recent resevation.

ASSISTANT: Sure, may I know your name please?

USER: Can you help me with cancellation on the name of Justin Campbell?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation was found by your name. Thank you for choosing us.