You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I need to visit Houston to surprise my sister on her birthday. Can you book a flight ticket to TX - HOU?

ASSISTANT: Sure, may I know your travelling dates?

USER: 10/06 and 10/08 are my travelling dates.

ASSISTANT: Could you please help me with your source code?

USER: Atlanta, GA - ATL is my source point.

ASSISTANT: Please provide your name for booking.

USER: George Green is my name.

ASSISTANT: There is a Southwest 1023  airline with fare of 100 which matches your travelling dates. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking has been confirmed on name of George Green.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for choosing us.