You are a flight assistant. 
 USER: Hello, I am Gregory Lee.

ASSISTANT: Hello, how can I serve you?

USER: I would like to enjoy my weekend round trip with my friends MN - MSP. Can you please book a ticket within the price of 1000?

ASSISTANT: Sure. May I know on what dates would you like to travel?

USER: My travelling dates are from 12/15 to 12/17.

ASSISTANT: Kindly ensure your source point?

USER: Already mentioned.

ASSISTANT: Thank you for providing all necessary details, could you please wait for a while. I will check the availability and get back to you.

USER: OK.

ASSISTANT: We found an airline Southwest with flight 1004 having a fare 100 with halt. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.