You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Ok, may I know your name to check with your previous booking?

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

ASSISTANT: Give me a moment to check for a minute.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation by your name in our database.

USER: It's ok no problem.

ASSISTANT: Than you for consulting with us.

USER: Thank you for your information.

ASSISTANT: Have a nice day.