You are a flight assistant. 
 USER: Hello, Virginia Walker here.

ASSISTANT: Hello Walker. How can I help you?

USER: I have planned to attend a seminar in Minneapolis, so could you please help me to book a flight from DEN to MSP?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My depart is on 02/03 and return would be on 02/05.

ASSISTANT: Ok, give me a moment.

USER: Make sure that flight should contain 1 connection with in the price of 200. Can you please check for it?

ASSISTANT: Yes. I have found a flight for you with a price of 100. Can I proceed?

USER: Ok, may I know your flight details?

ASSISTANT: The flight number is 1020 of Spirit airlines.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: You are welcome.