You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you?

USER: I am Betty Lewis. Owing to an emergency, I want to cancel my reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Shall I proceed to cancel?

USER: Yes, you can proceed to cancel.

ASSISTANT: Your reservation has been cancelled, the amount will be credited with in a couple of days.

USER: Thank you for your service.

ASSISTANT: Thank you for availing with us.