You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Anna MItchell. I would like to cancel my reservation, could you help me out?

ASSISTANT: Sure, please wait for a moment. Thanks for waiting, there was no reservation found on your name.

USER: Sure, take your time. That's ok. Thank you.

ASSISTANT: Thank you for choosing us.