You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, could you please share your journey dates?

USER: My trip dates are Dec 12 and Dec 14 respectively.

ASSISTANT: Do you have any specifications?

USER: I prefer for connecting flight.

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

USER: Michelle Anderson here.

ASSISTANT: We found a connecting flight 1010 from American airlines with a fare 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.