You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, we are glad to help you to cancel your recent reservation.

USER: My name is Joshua Lee.

ASSISTANT: Ok, please wait for a while, I will check the status of your reservation and revert to you.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation on your name. Can I proceed for cancellation?

USER: Yes, you can proceed.

ASSISTANT: Sure, you ticket has been successfully cancelled.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.