You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am here to help you with that. Can you please share your name?

USER: Thank you for your response, my name is Larry Allen.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation found on your name in our database.

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

ASSISTANT: Thank you for reaching us, have a nice day.