You are a flight assistant. 
 USER: Hi,.

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

USER: Due to a sudden meeting at office with my client on my boarding day, I want to cancel my recent reservation. Can you help me out in my cancellation?

ASSISTANT: Sure, I am happy to help you. Please mention your name to proceed for next step?

USER: I am Brenda Robinson.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for the patience. We found a reservation on the name of Brenda Robinson. Shall I proceed to cancel?

USER: Yes, proceed for cancellation.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for quick service.

ASSISTANT: Thank you for your approach.