You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Christine Moore. Due to sudden change in my planned schedule, I had to cancel my recent reservation . Could you help me in that?

ASSISTANT: Sure, I will help you with the flight reservation cancellation. I found a flight reservation and now I have cancelled It as you requested for.

USER: Thank you for your quick service.

ASSISTANT: Thanks for reaching to us.