You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Daniel Lewis. Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.