You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please help me to book a flight ticket from EWR to MSP.

ASSISTANT: Sure, may I know your name please?

USER: I am Matthew Garcia.

ASSISTANT: Help me with the trip dates?

USER: My trip dates are from Dec, 18 to Dec, 20.

ASSISTANT: Do you have any specifications?

USER: I prefer a single connecting flight.

ASSISTANT: We found a flight in an airline Spirit with 1002 number having a single connection price of 200. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.