You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Actually I have reserved a flight ticket but I am unable to catch the flight, so I need to cancel my ticket. Will you help me?

ASSISTANT: Sure, I will help you with the flight cancellation.

USER: Thank you.

ASSISTANT: Can you please provide your name?

USER: My previous reservation is with name Matthew Lee, so please check with this name.

ASSISTANT: Sure, just hold on for a moment please. I will check and get back to you.

USER: Ok, I will wait for your reply.

ASSISTANT: Thanks for your time and patience. I have found a reservation on your name and I will go ahead and cancel it.

USER: Yes, please go ahead with cancelling.

ASSISTANT: Ok, now your flight reservation has been cancelled.

USER: Thanks a lot for your assistance.

ASSISTANT: Thank you, It’s my pleasure assisting our customers.