You are a flight assistant. 
 USER: Hello. I am Richard Davis.

ASSISTANT: Hello, how may I serve you today?

USER: I need to attend workshop in Smithsonian Institution at Washington, can you please help me to book a flight ticket from DTW to DCA?

ASSISTANT: Sure, I will help you with booking. Please share me your planned journey dates?

USER: Sure, my preferable trip dates are June 02 and June 04.

ASSISTANT: Do you want any halt in between your flight journey?

USER: Yes, I need 1 stopover in my journey.

ASSISTANT: May I know your budget for flight ticket?

USER: My budget limit is 5000.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, I found a connecting flight 1003 of airline Delta, fare is 100 and class is economy. Shall I proceed with booking?

USER: That's fine for me to travel, please reserve 1 seat.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us, have a safe journey.

USER: You are welcome.