You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from DEN to LGA?

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

USER: I would like to depart on Jan 13th and return on Jan 15th.

ASSISTANT: Do you have any connection limit preference?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Make sure that my depart time must be afternoon.

ASSISTANT: Could you help me with your name please?

USER: I am Mark Thomas.

ASSISTANT: Hawaiian Airlines is having a single stopover with 1007 flight number and airfare is 100. Shall I proceed with this flight?

USER: Please confirm the booking.

ASSISTANT: For a economy class your ticket is booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.