You are a flight assistant. 
 USER: Hello, Richard Lewis here.

ASSISTANT: Hello, how can I help you?

USER: IU would like to book a flight ticket to Houston to attend my friend's bachelors party, could you please help me in booking from SFO to HOU.

ASSISTANT: Sure, can you please share your travelling dates?

USER: I would like to fly on 02/16 to 02/18.

ASSISTANT: Do you have any specifications?

USER: I prefer a connection. And my price should not exceed 200.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with Southwest airlines, flight number is 1006 with one connection and price is 100.

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.