You are a flight assistant. 
 USER: Hello. Myself William Thompson.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to visit Washington, will you help me in booing the flight ticket from DFW o DCA?

ASSISTANT: Sure, I will help you with that. Can you please share your travelling dates?

USER: My travelling dates are Mar 27 and Mar 29.

ASSISTANT: Do you prefer halt in between your journey?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications to travel?

USER: I want to return in afternoon time.

ASSISTANT: Please wait for a while, let me check the details in our database.

USER: Ok, I will wait for your response.

ASSISTANT: We found AA airline with fare 100 and flight number is 1001 with connecting flight. Shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.