You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my recent reservation.

ASSISTANT: Sure, May I know your name please?

USER: My name is Amy Clark.

ASSISTANT: Ok, Amy Clark, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your patience. Sorry, we did not find any existing reservation based on your name.

USER: Ok, no problem. Thanks for your time and information.

ASSISTANT: Thanks for connecting with us, have a nice day.