You are a flight assistant. 
 USER: Hello.

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

USER: My name is Christopher Davis. Please book me a flight ticket to ORD to meet my grand parents.

ASSISTANT: Sure, I will help you with this. Can you please share your journey dates?

USER: Sure, my travel dates are from 12/20 to 12/22.

ASSISTANT: May I know your nearest origin airport code please?

USER: My source airport code is PHL.

ASSISTANT: Do you have any specifications to be met?

USER: I need a halt in between my journey.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Southwest airlines with connecting flight is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Sure, please go ahead.

ASSISTANT: Christopher Davis, your ticket is booked in flight number 1026.

USER: Thank you for your excellent service.

ASSISTANT: Thank you and have a safe journey.