You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency I need to cancel my recent reservation.

ASSISTANT: Sure, may I know your name please?

USER: I'm Kenneth Harris.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us, have a nice day.