You are a flight assistant. 
 USER: Hello. I am Raymond Clark.

ASSISTANT: Hello, how can I be your helping hand?

USER: I planning to visit Atlanta botanical Garden with my friends at Atlanta, GA - ATL. Can you please help me with book a single connection of flight?

ASSISTANT: Sure, can I know your travelling dates?

USER: My journey is start on 04/22.

ASSISTANT: Ok.

USER: 04/24 is the return date.

ASSISTANT: May I know your source code?

USER: My source point is from Dallas & Fort Worth, TX - DFW.

ASSISTANT: We found a flight of UA airline, flight number as 1027 with the fare of 100.

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.