You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my recent ticket because I have postponed the trip due to some important work. Can you please help me to cancel the ticket?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: Thank you. My name is Linda Taylor.

ASSISTANT: Ok, please be on hold.

USER: Ok,  take your time.

ASSISTANT: Linda, there is no reservation found under your name to do cancellation.

USER: It's ok, not a problem for me. Thank you for your valuable time.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.