You are a flight assistant. 
 USER: Hi, I am Ruth Gonzalez.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a connecting flight ticket to Las Vegas to visit  The Billy Graham library, can you help me in booking?

ASSISTANT: Sure, Kindly mention your travel dates?

USER: I will depart on 07/24 and I intend to return on 07/26.

ASSISTANT: Can you please provide me your airport codes.

USER: My source is Orlando, FL-MCO and my destination is Las Vegas, NV-LAS.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 200.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is SouthWest with price 100 and single connection. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking is done.

USER: Thanks for your help in booking.

ASSISTANT: Thanks for reaching us, have a good day.