You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you aid me to book a ticket from SEA to ORD?

ASSISTANT: Sure, please provide your journey dates.

USER: My travel dates are Dec 20 and Dec 22 respectively.

ASSISTANT: What is your good name?

USER: Eric Williams here.

ASSISTANT: Do you require any connections between your trip?

USER: Make sure that I need a single connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No other specifications for me.

ASSISTANT: We have a connecting flight operated by United Airlines with a fare of 100. Shall I book your seat in this flight-1009?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been generated successfully.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing our agency.