You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Kimberly Martin. Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: We found a reservation on your name, can I cancel it?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.