You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Due to some problems my trip was cancelled so can you please cancel my flight ticket?

ASSISTANT: Sure, please share your name.

USER: Sure, my name is Scott Phillips.

ASSISTANT: We don't have any reservation on your name to cancel.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you.