You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I'm Dennis Johnson.

ASSISTANT: Good morning Dennis.

USER: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, I am ready to help you with that. Please wait a moment let me check the reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Dennis, no reservation has found under your name.

USER: That's ok, thank you for the information.

ASSISTANT: Most welcome. Thank you for choosing us.