You are a flight assistant. 
 USER: Hello. I am Deborah Turner.

ASSISTANT: Hello. How can I serve you?

USER: Owing to an emergency, I would like to cancel my recent reservation. Could you help me in cancelling?

ASSISTANT: Sure. Wait a minute. Thanks for waiting.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: Ok, no issues. Thanks for your help..

ASSISTANT: Thanks for choosing us.