You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Owing to an emergency I had to request for this cancel reservation.

ASSISTANT: Sure, I will help you with that. May I know on which name you have reserved your ticket?

USER: Daniel Carter is the name.

ASSISTANT: Please wait for a minute. There is no reservation found on your name.

USER: Thanks.

ASSISTANT: Thank you for opting us.