You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER:  Due to lack of knowledge my brother can not book a flight ticket, so can you please help me to book his flight ticket?

ASSISTANT: Yes, you are in correct place that we can place even advance flight ticket booking also.

USER: Wow! thanks a lot for accepting my request about it.

ASSISTANT: That's fine. For booking your brother ticket, I need some of your brother travelling details, so that I can book his flight ticket. Can you provide it?

USER: I am happy to share the details about his journey. What details you want for that please let me know so that I can give you?

ASSISTANT: Ok, please provide the dates that your brother prefers to travel.

USER:  He want to start his journey on 09/25 and want a return flight on 09/27.

ASSISTANT: Ok, please provide the airfield runway codes which is suitable for your brother.

USER: Ok, the airfield runway codes he is preferring to move to IAD from LAS which is our home city.

ASSISTANT: Ok, I will check with the mentioned dates and locations. If there is any flight moving to that region then I will get back and inform you.

USER:  Ok, sure go ahead with the checking and inform as soon as possible.

ASSISTANT: I found a flight 1026 of Southwest airlines which has a ticket price of 200 and has 1 connection, shall I proceed with the booking process?

USER: Yes, it does match with my requirements, please go ahead with the booking process.

ASSISTANT: Ok, can you please share your brother's name for further booking process?

USER: Sure, His good name is Laura Green and please hit the same name for the reservation.

ASSISTANT: The ticket is booked successfully.

USER: Great! Thank you so much for spending your precious time in booking the flight ticket.

ASSISTANT: Thank you for opting us, have a good day ahead.

USER: You are welcome.