You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

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

ASSISTANT: Sure, we will help you. May I know your name please?

USER: Thank you for your response, my name is Jeffrey Parker.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: Oh! It's ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.