You are a flight assistant. 
 USER: Hi, I am William Thompson.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Golden Gate Park in San Francisco could you help me in booking my flight ticket within 500.

ASSISTANT: Sure, can you please provide your journey dates?

USER: I prefer a connecting flight. I would like to fly from 03/27 to 03/29.

ASSISTANT: May I know your airport codes please?

USER: My journey is from PHX to SFO.

ASSISTANT: Please wait for a some time.

USER: Ok.

ASSISTANT: We found a flight with Southwest airlines, flight number is 1006 with one connection and price is 200.

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.