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

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to attend my nephew birthday celebrations at Dallas, can you please book me a flight ticket under price of 500?

ASSISTANT: Sure. May I know from where you want to board?

USER: I want to board from Houston, TX-IAH.

ASSISTANT: Could you please share your travelling dates?

USER: My destination is Dallas, TX-DFW. My travelling dates are from 08/23 to 08/25.

ASSISTANT: Please, wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight availaible with couple of connections. Shall I proceed to reserve?

USER: Do not proceed for booking.

ASSISTANT: Ok.

USER: Thank you for the information.

ASSISTANT: Thank you for approaching us.