You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Could you please book a ticket with a connecting flight to PHL?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are Sept 2nd and Sept 4th.

ASSISTANT: May I know your origin airport code please?

USER: My origin is from BOS.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Can you please provide your name for documentation purpose?

USER: My name is Elizabeth Robinson.

ASSISTANT: Frontier Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 17:00PM and arrives at 21:00PM, shall I book your ticket in this flight?

USER: Ok, proceed with the booking.

ASSISTANT: Elizabeth Robinson, your ticket is booked in economy class of flight number 1005.

USER: Thank you.

ASSISTANT: You are welcome and have a safe journey.