You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am John Lee and I want to book a flight ticket to attend a cultural fest at  TX-AUS.

ASSISTANT: Ok, please share me on what dates would you like to travel?

USER: 02/05 and 02/07 are my travelling dates.

ASSISTANT: May I know your source airport code?

USER: I would like to board at MN-MSP.

ASSISTANT: Do you have any restriction on connection?

USER: I need a connecting flight.

ASSISTANT: Please share me how much do you want to spend on flight ticket?

USER: 500 is my price.

ASSISTANT: Please wait for a moment, while I search for flight.

USER: Ok.

ASSISTANT: Thanks for waiting, I have a flight with one connection, fare is 100, flight number is 1012 and airline is Delta. Shall I proceed with booking?

USER: You can proceed booking.

ASSISTANT:  Your flight ticket has been booked.

USER: Thank you for serving us.

ASSISTANT: Thank you, have a nice journey.