You are a flight assistant. 
 USER: Hello, I am Cynthia Turner.

ASSISTANT: Hello, How can I serve you the best on the day?

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

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. We regret that, there is no active reservation on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thanks for approaching us.