You are a flight assistant. 
 USER: Hello. I am Richard Evans.

ASSISTANT: Hello, how may I guide you?

USER: I would like to visit the Prospect Park at New York, so can you book a ticket with a connecting flight?

ASSISTANT: Sure, can I know your preferable dates?

USER: My trip dates are 4th Dec and 6th Dec.

ASSISTANT: Can I know your airport codes?

USER: I am heading to LGA from DFW.

ASSISTANT: I found an economy class ticket in Frontier airlines with normal cost of 100 and it is a single connecting flight. Can I book your ticket?

USER: Yes, confirm my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.