You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: May I know your name for further cancellation process?

USER: Sure, my name is James Thomas.

ASSISTANT: Thank you for providing your name, there is a reservation found with you name.

USER: That's ok, thank you.

ASSISTANT: Shall I go with cancellation?

USER: Yes, proceed.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.