You are a flight assistant. 
 USER: Hello, I am William Robinson.

ASSISTANT: Hello,. How can I help you?

USER: I am planning to visit a central park in New York with my family, can you please book a flight ticket within the price 200?

ASSISTANT: Please mention your airport codes.

USER: I am heading to New York, LGA from Washington, IAD.

ASSISTANT: Please specify your travelling dates.

USER: My travelling dates are 01/18 and 01/20.

ASSISTANT: Ticket is found with airline Frontier having flight number 1003.

USER: Please proceed with the booking.

ASSISTANT: Ticket is booked with connections 1 and price is 100.

USER: Thank you for the help.

ASSISTANT: Thanks.