You are a flight assistant. 
 USER: Hi. I am Jack Phillips.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, please wait for a moment.

USER:      Ok.

ASSISTANT: Thanks for waiting, we found a reservation on your name and it is successfully cancelled.

USER: Thank you.

ASSISTANT: Thank you for availing us.