You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Please cancel my ticket. Because I dropped my trip with my friends.

ASSISTANT: Sure, may I know your name please?

USER: I am Stephen Hall.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Thank you.