You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: Can you help me to book a flight from PHL on 12/23?

ASSISTANT: Sure, we are happy to help you. Can you please let me know your destination airport code?

USER: Sure, my preferred destination airport code is SEA.

ASSISTANT: On which day would you like to return?

USER: I am planning to return on 12/25.

ASSISTANT: Do you have any break in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, my name is Carolyn Adams.

ASSISTANT: JetBlue airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 20:00 PM and arrives at 16:00 PM, shall I book your ticket in this flight?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1008.

USER: Thank you.

ASSISTANT: Thank you for opting us.