You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Ashley Harris. Please book a flight ticket from Washington, IAD to Boston, BOS.

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are from 03/09 to 03/11.

ASSISTANT: At what price range are you looking for?

USER: I can bare up to 500.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1000. Shall I book this ticket with one connection limit?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.