You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Clark.

ASSISTANT: Linda, how may I help you?

USER: I am planning to cancel my recent reservation, due to some work. Can you please cancel my ticket?

ASSISTANT: Sure. Please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry Clark, no reservation is available by your name.

USER: That's fine. Thank you for your service.

ASSISTANT: Thank you for reaching us.