You are a flight assistant. 
 USER: Hello, I am Gary Phillips.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I want to cancel my recent reservation, can you please help me with that?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: We found a reservation on your name. Shall I proceed to cancel it?

USER: Yes, please.

ASSISTANT: Your reservation cancelled successfully.

USER: Thanks for your service.

ASSISTANT: Thank you.