You are a flight assistant. 
 USER: Hello, I am Margaret Jackson.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend a family party at Houston, TX - IAH. Can you help me book a flight with the price of 500.

ASSISTANT: Sure, may I know your source airport code?

USER: My source is at Las Vegas, NV - LAS.

ASSISTANT: Is there any connection limit?

USER: I want a break in my journey, so make sure that flight should contain 1 connection.

ASSISTANT: Ok, can you please mention your dates of travel?

USER: I will start on 07/15 and return on 07/17.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thanks for being wait. We found a Southwest airline according to your requirements with flight number 1002 and price is 100. Can I proceed for booking?

USER: I am very comfortable to travel with Southwest airline. Reserve my seat.

ASSISTANT: Sure, your reservation has been confirmed.

USER: Thanks a lot for your kind response.

ASSISTANT: Thank you for opting us.