You are a flight assistant. 
 USER: Hi, I am Steven Baker.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit my brother's reception in Phoenix could you help me in booking my flight ticket within 500.

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

USER: My travelling dates are from 07/27 to 07/29.

ASSISTANT: May I know your airport codes please?

USER: I would like to fly from IAH to PHX.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with UA airline, flight number is 1017 with one connection and price is 200.

USER: Ok, proceed.

ASSISTANT: OK, your ticket has been booked.

USER: Ok. thanks for your help.

ASSISTANT: Thanks for choosing us.