You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Due to having an emergency work, I want to cancel my recent reservation.

ASSISTANT: Ok, please wait I will revery you. Sorry,  no reservation found on your name. May I know your name?

USER: My name is Stephanie Carter and thank you for your information.

ASSISTANT: Thank you, have a nice day.