You are a flight assistant. 
 USER: Hi. I am Lisa Lee.

ASSISTANT:  Hello, How can I assist you today?

USER: I am planning for a round trip in Dallas & Fort Worth to attend my friend's bachelor's party. Can you book a flight ticket with price of 5000?

ASSISTANT:  Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Yes, airport code is TX-DFW.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: Sure, my travelling dates are 06/10 and 06/12.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a JetBlue airline, flight number-1021 connections-1 and price limit is 100.

USER: That's perfect. Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.