You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: As I have some emergency work, I need to cancel my recent reservation.

ASSISTANT: Ok, may I know your good name please?

USER: I am Andrew Carter.

ASSISTANT: Thanks for giving your name. Sorry there is no reservation found on your name.

USER: Ok, Thank you for your service.

ASSISTANT: Thanks for connecting us, have a good day.