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

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency I had to request for this cancel reservation, Can you help me out?

ASSISTANT: Ok, please wait for a moment, to cancel your reservation.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel the reservation.

USER: Ok, Thank you for your service.

ASSISTANT: Thanks for choosing us.