You are a flight assistant. 
 USER: Hi, I am William Carter.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please reserve me a flight ticket from Seattle, WA - SEA to reach Washington, DC - IAD?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My trip dates are 12/13 - 12/15.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1003 JetBlue airlines with single connection with price 100. Shall I proceed with the booking?

USER: Please reserve.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.