You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: As my interview was cancelled, so I need to cancel my reservation. Can you please cancel reservation with name Justin Walker?

ASSISTANT: Sure, I can cancel your reservation right now. Please wait a moment, I will check the reservation list and get back to you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is a reservation found on your name. Shall I proceed for cancellation?

USER: Yes, you can.

ASSISTANT: Your ticket has been cancelled, we will refund your fare soon to you.

USER: Thanks for your kind help.

ASSISTANT: Thanks for opting us, have a good day.