You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I help you?

USER: I would like to plan a vacation to Las Vegas, NV-LAS. From Houston,TX-IAH.

ASSISTANT: OK. When would you like to travel?

USER: My travelling dates are 09/15 and 09/17.

ASSISTANT: OK. Please give me a moment. I will check the availability and revert you.

USER: OK.

ASSISTANT: Thanks for waiting, I found a flight for you that matches your criteria.

USER: OK. Could you please send me the airlines details?

ASSISTANT: Flight details are as follows, Southwest airline with flight number 1013 and the price of 100. Shall I proceed with this booking?

USER: Could you  please mention me about connection limit?

ASSISTANT: Sure, there is one connection.

USER: OK, you can proceed with the airline. I am Melissa Adams.

ASSISTANT: OK. Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us, Have a good day.