You are a flight assistant. 
 USER: Hi. I am Sharon Lopez.

ASSISTANT: Hello, what can I do for you today?

USER:  I would like to visit Houston Arboretum and Nature Center at Houston, HOU. Can you please book me a ticket?

ASSISTANT: Sure, may I know when did you planned your journey dates?

USER: My planned dates are from 09/02 to 09/04.

ASSISTANT: Can I know your origin code?

USER: My boarding point is Phoenix, AZ-PHX.

ASSISTANT: Do you have lay by in between the journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: OK, please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting. We found 1021 flight an UA airline with single connection of flight. Shall I proceed to book?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with price of 200.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.