You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, I am here to serve you that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Jason Parker.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for consulting us.