You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you aid me to book a flight ticket from LGA to EWR?

ASSISTANT: Sure, could I have your journey dates, please?

USER: My trip dates are Dec 22 and Dec 24.

ASSISTANT: Do you have any specifications?

USER: I prefer for connecting flight.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Jessica King here.

ASSISTANT: We found a connecting flight 1003 from American airlines with a fare 100.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.