You are a flight assistant. 
 USER: Hello. I'm Donald Wright.

ASSISTANT: Hello. Donald, how can I assist you?

USER: I am planning to attend music concert at PHX, can you please help me with booking a flight ticket from IAH?

ASSISTANT: On which dates do you want to travel?

USER: Sure, I would like to take off on 09/23 and return back on 09/25.

ASSISTANT: Please wait for a minute.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Southwest airlines with 1 connection is available for you.

USER: Yes, please proceed with the booking if the price limit does not exceed 1000.

ASSISTANT: Your ticket is booked in 1011 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: You are welcome.