You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due to an emergency in meeting my friend, I would like to cancel my trip. Please help me in cancelling my recent reservation.

ASSISTANT: May I know your name?

USER: My name is Edward Davis.

ASSISTANT: Sorry, no reservation found.

USER: Ok, no issues. Thank you for providing information.

ASSISTANT: Thank you.