You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Ronald Martin. Please assist me in booking my flight ticket from Washington IAD to DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: Please check the availability of flights from Mar 23 to Mar 25.

ASSISTANT: Do you have any class preference?

USER: I prefer a normal cost airline.

ASSISTANT: Sure. Ronald Martin, there is a flight available with price 200 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: You can proceed.

ASSISTANT: Your booking is confirmed with departure time 16:00 PM, arrival time 8:00 AM and the flight number is 1026.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.