You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Young.

ASSISTANT: How can I help you?

USER: Due to some emergency problem, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, standby.

USER: Sure.

ASSISTANT: Thanks for waiting, I did not find any reservation on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us.