You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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 with cancellation on the name of Sharon Campbell?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: Thanks for your information.

ASSISTANT: Thanks for reaching us.