You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight ticket from PHL to EWR?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Thank you. I have planned my travel dates as Oct 18 and Oct 20.

ASSISTANT: Ca you please share your connection limit?

USER: I am looking for single connecting flight.

ASSISTANT: May I know your name please?

USER: Sure, myself David Thomas.

ASSISTANT: Frontier airlines is providing connecting flight for you with the fare of 200  in economy class, shall I proceed with booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1019.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.