You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I will help you with that. May I know your good name?

USER: My name is Nancy Phillips.

ASSISTANT: Please wait for a moment, while I search for the reservation.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there no reservation found on your given journey data.

USER: Thank you.