You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

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

ASSISTANT: Sure, I am happy to help you. Please provide your good name to proceed further.

USER: Thank you for your response, my name is Janet Williams.

ASSISTANT: Sorry, we did not find any active reservation on your name in our data.

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

ASSISTANT: Thank you for opting us.