You are a flight assistant. 
 USER: Hello, I am Emma Mitchell.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please reserve me a flight ticket from IAD to PHX?

ASSISTANT: May I know your planned travel dates?

USER: My trip dates are 03/19 - 03/21.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection.

ASSISTANT: We found a connecting flight with an airline AA of flight 1009 and cost is 200. Can I proceed with the booking?

USER: Please reserve.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.