You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Helen Adams. I would like to book a flight ticket from ATL back to ATL.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start my trip on 05/18 and return back on 05/20.

ASSISTANT: I found a flight 1008 of AA airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Great! Thank you for your service.

ASSISTANT: Thank you, have a good day.