You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking from DEN to BOS?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My travelling dates are from May 21 to May 23.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications for your journey?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: My name is Benjamin Harris.

ASSISTANT: Spirit Airlines is having a single stopover with 1018 flight number and airfare is 100. Are you comfortable with this flight?

USER: Ok, please book it.

ASSISTANT: For a economy class your ticket is booked and the depart time is 9:00 hours and the arrival time is 7:00 hours.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Hope we see you again!.