You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I have some personal matters that need fixing so I need to cancel my recent reservation. Can you please help me?

ASSISTANT: OK. Please mention your name, so that I can check with reservation list.

USER: My name is Dorothy Young.

ASSISTANT: Ok, Thanks for sharing your name, but we can not find your name in the list.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thanks for choosing us, Have a great day.