You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in booking a flight ticket from Denver, DEN to Boston, BOS?

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

USER: My journey dates are from July 28 to July 30.

ASSISTANT: Do you have any connection limit preference?

USER: I need a lay by in between journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: My name is Kevin Brown.

ASSISTANT: American Airlines is providing a connecting flight with 1001 flight number and airfare is 100. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: For a economy class your ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.