You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I respond to your request?

USER: Can you cancel my flight ticket reservation? As I have postponed my business trip to Los Angeles.

ASSISTANT: Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: Ok. I am Laura Thomas.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Not a problem.

ASSISTANT: Thanks for reaching us, wish you a great day.

USER: Thank you.