You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Ok, please wait a moment I will check.

USER: Sure.

ASSISTANT: May I know your name to cancel?

USER: My name is Jason Lee.

ASSISTANT: Sorry, there is no flight ticket been booked on your name as per the records.

USER: Thanks.

ASSISTANT: Thank you for choosing our agency.