You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Serve me in booking a flight ticket to Chicago, IL - ORD from Houston, HOU.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 01/16 and 01/18.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need one stop over,.

ASSISTANT: Let me know your good name.

USER: Richard Lewis is my name.

ASSISTANT: There is a flight found with number 1007 and Southwest as airline. The cost of the ticket is 200.

USER: Ok, please proceed to book.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for availing us.