You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, I will help you. Can I have your name please to check your reservation status?

USER: Jason Young here.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Jason Young, no reservation has been found on your name in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.