You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Martin.

ASSISTANT: How may I help you today?

USER: I am planning to visit Minneapolis to meet my brother, can you please book me a ticket from BOS to MSP?

ASSISTANT: Sure, let me know your travel dates please?

USER: My preferable journey dates are from Dec 14 and Dec 16.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I prefer evening return flight.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Frontier airlines is providing connecting flight with the ticket fare of 100 and depart time is 19:00 PM, arrival time is 21:00 PM. Shall I proceed?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your ticket has been confirmed by flight number 1009 and an economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thanks for choosing us.