You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I want to visit San Francisco.Can you please help me for booking the flight ticket from TX-IAH to CA-SFO?

ASSISTANT: Sure, could you please mention your dates of trip?

USER: The trip dates are from 08/22 to 88/24.

ASSISTANT: I find a flight with connection is 1 and airline Southwest with number 1010 of cost 200.

USER: That's fine, proceed with my booking.

ASSISTANT: May I know your name please for booking purpose?

USER: Sure, my name is David Hill.

ASSISTANT: David, your ticket has confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a nice day.