You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure. May I know your good name please?

USER: I am Kenneth Collins.

ASSISTANT: There is no reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thanks for opting us.

USER: Thanks for your response.