You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help that I can assist you?

USER: Actually I have booked a flight ticket in the last month but now I am unable to travel due to some health issues. Can you please cancel my ticket?

ASSISTANT: Sure, I am happy to help you in ticket cancellation. Please give me a moment to check it.

USER: Ok, take your time.

ASSISTANT: May I know your name for checking purpose?

USER: I am Betty Martin.

ASSISTANT: No reservation is obtained in our previous ticket booking under the name that you have given for checking.

USER: It's ok,  I think the ticket is not confirmed last time. Anyways thanks a lot for spending your time.

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