You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from me?

USER: I am Christopher Gonzalez, I plan to visit Houston to visit underground tunnel tour on 10/15. Can you help me to book a return flight ticket on 10/17?

ASSISTANT: Sure, I will help you. May I know your connection limit?

USER: I need one halt in between the journey.

ASSISTANT: Help me with your boarding and landing airport codes?

USER: I will travel from Atlanta, GA-ATL to Houston TX-IAH.

ASSISTANT: Do you have any other specifications to be met?

USER: I need a flight under price of 1000.

ASSISTANT: Ok, please wait for a minute. I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: The flight details are, flight number 1015 with SouthWest airlines and price of 100 matching with your criteria.

USER: Ok, please proceed with booking.

ASSISTANT: Your flight booking has been confirmed with single connection.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thanks for choosing us.