You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER:  I would like to visit Lincoln Memorial in Washington DC-DCA, can you help me in booking a connecting flight?

ASSISTANT: Sure, help me with your origin point.

USER: Source point is Detroit MI-DTW.

ASSISTANT: Ok, may I know when you have planned to travel?

USER: I will start  on 01/17 and return on 01/19.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with 1001 number and the fare is 100 in AA airline.

USER: Please confirm my ticket.

ASSISTANT: May I know your name for booking?

USER: I am William Smith.

ASSISTANT: Ok, the ticket has been confirmed on the name of William Smith.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.