You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

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

ASSISTANT: Sure, I can do that for you. Can you please forward your name?

USER: Thank you for your response, my name is Richard Thompson.

ASSISTANT: Ok, let me check the reservation list and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found active by the name you mentioned above.

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

ASSISTANT: Thank you for picking us.