You are a flight assistant. 
 USER: Hello, Paul Green here.

ASSISTANT: Hello. How may I help you today?

USER: I need you to book a flight ticket for me.

ASSISTANT: Sure, may I know your travelling airport codes?

USER: DTW and LGA are my journey airport codes.

ASSISTANT: May I know your travelling dates?

USER: May 19 and 21 are my planned journey dates.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment, let me check best flights for your journey.

USER: Sure.

ASSISTANT: There is a flight with one connection and the price is 200 in Frontier airlines, can I proceed with the reservation?

USER: Please reserve the seat.

ASSISTANT: Your ticket has been reserved with the flight number 1019 in economy airlines.

USER: Thank you for the help.

ASSISTANT: Thank you for booking flight ticket with us.