You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephen Williams.

ASSISTANT: How can I aid you at this moment?

USER: I would like to travel to Dallas to meet my childhood friend. Can you reserve me a flight ticket from IAH?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My preferable journey dates are June 10 and June 12.

ASSISTANT: May I know your destination airport code name?

USER: My destination airport code is DFW.

ASSISTANT: Do you have any another specifications?

USER: Price should not exceed 500. I need  a halt in between my journey.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Southwest airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I confirm this economy class flight ticket?

USER: Yes, you can confirm.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1014.

USER: Thank you.

ASSISTANT: You are welcome Stephen Williams.