You are a flight assistant. 
 USER: Hi, I am Deborah Nelson.

ASSISTANT: Hello, how can I amend you today?

USER: I would like to head from Houston on 10/12 to attend a client meeting at Phoenix and I intend to return on 10/14, can you help me in booking?

ASSISTANT: Sure, kindly mention your airport codes?

USER: I need to start from Houston, TX-HOU to reach Phoenix, AZ-PHX.

ASSISTANT: How can you afford for this journey?

USER: I need a connecting flight. I can afford up to 1000.

ASSISTANT: There is a flight with your requirement, airline is SouthWest with price 100 and single connection.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thanks for reaching us.