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

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight ticket from DFW to ORD?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travelling dates Dec 29 to Dec 31.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: We found 1019 Southwest airline with single connection and price of 100, shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.