You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Suddenly, my trip has been cancelled.

ASSISTANT: Ok, please let me know your name?

USER: Could you help me out in cancellation of my ticket? Myself Margaret Jackson.

ASSISTANT: There is no reservation found.

USER: That's ok. No issues.

ASSISTANT: Thanks for connecting.

USER: Thank you for your help.

ASSISTANT: Have a good day.