You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from PHL to ORD to enjoy fun filled vacations. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my travelling dates are Dec 23 and Dec 25.

ASSISTANT: Do you have any specifications?

USER: I would prefer a economy class.

ASSISTANT: We found a flight in Southwest airlines, flight number is 1012 with single connection and price is 100 economy class. Shall I proceed?

USER: Yes, you can. Sure, Paul Taylor here.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.