You are a flight assistant. 
 USER: Hello, I am David Harris.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to attend sports festival in NV - LAS, can you help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Help me with your source code?

USER: My source code is GA - ATL.

ASSISTANT: Kindly mention your travelling dates?

USER: My travelling dates are from 06/25 to 06/27.

ASSISTANT: Do you prefer a direct flight or connecting flight?

USER: I am comfortable with any connection.

ASSISTANT: Thanks for your details, there is a flight 1002 in Southwest airline with fare 200. Shall I proceed with booking.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for picking us.