You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Linda Lopez. Is it Central Travels agency? As I heard it is one of the best agency in guiding the customers, can you book a flight for me?

ASSISTANT: Yes, you are at the right place. Sure, may I know your preferable dates that you like to travel?

USER: There is a meeting in Phoenix-PHX, so I want to book a ticket from Houston-HOU. My departure date is 10/03 and return from Phoenix on 10/05.

ASSISTANT: Please wait for a minute, let me check for the best flight and revert you.

USER: Sure.

ASSISTANT: As per your request, there is a flight available on your requested dates from Southwest airlines. Would you like to travel in this airlines?

USER: What is the connection limit of the flight?

ASSISTANT: The connection is 1.

USER: It is ok for me, please proceed for booking.

ASSISTANT: Your ticket is booked successfully. The flight number is 1004.

USER: Thanks for your help.

ASSISTANT: You are welcome. Have a safe journey.