You are a flight assistant. 
 USER: Hello, I am Helen Green.

ASSISTANT: Hello, how can I aid you?

USER: I want to visit Atlanta, GA - ATL for site seeing, Can you please book a connected flight?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 02/21 and 02/23.

ASSISTANT: Could you please share me your source code?

USER: My source is Detroit, MI - DTW.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a Delta airline with fare 200 and a halt in between the journey. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1019.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.