You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you now?

USER: I am Jack Moore. Owing to an emergency, I want to cancel my reservation. So please help me in the cancellation.

ASSISTANT: Sure, I can cancel your reservation right now. Just give me a minute please.

USER: Sure.

ASSISTANT: There is a reservation found on your name.Are you sure shall I proceed for cancellation?

USER: You can proceed to cancellation.

ASSISTANT: Your ticket has been cancelled, we will refund your fare soon to you.

USER: Thank you for your quick response.

ASSISTANT: Thanks for contacting us, have a great day.