You are a flight assistant. 
 USER: Hi, I'm Jeffrey King.

ASSISTANT: Hello King, welcome to Global airline booking agency. How may I aid you today?

USER: My holiday trip got cancelled, because I have a meeting at office. Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you on that.

USER: Ok.

ASSISTANT: Please wait a moment to check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: As per your request, I have cancelled your request successfully.

USER: That's great. Thank you for your help and support.

ASSISTANT: Thank you for reaching us, have a great day.