You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, How may I be of your help?

USER: Owing an emergency, I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, we are here to aid you. May I know your good name please?

USER: I am Debra Parker.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Sorry, there is no active reservation found in your name.

USER: Not a problem, thank you.

ASSISTANT: Thanks for using our service.