You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Jessica Wilson here, I want to reserve my ticket from DCA to IAD, can you please help me in this condition?

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

USER: Ok, my preferable dates of journey is from 08/17 to 08/19.

ASSISTANT: Let me check for the availability of flight.

USER: Sure, but make sure that the price limit is 200.

ASSISTANT: Jessica, there is a flight available with price 100 and the connection is 1 with Southwest airline. Would you like me to proceed with the booking?

USER: Ok, proceed with this ticket booking.

ASSISTANT: Your booking is confirmed with 1004 flight number.

USER: Thank you for your help in reserving my ticket.

ASSISTANT: Thank you for reaching us.