You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

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

ASSISTANT: May I know your name please to check the status of your reservation?

USER: Thank you for your response, my name is Jessica Scott.

ASSISTANT: Thank you. Please stay online for a while, I will check your reservation status and let you know.

USER: Ok.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

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

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.