You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I like to go Washington DCA to IAD. Please book my tickets.

ASSISTANT: Could you provide your travelling dates?

USER: From 02/05 to 02/07.

ASSISTANT: OK,may I know your name?

USER: Steven Martinez here.

ASSISTANT: OK, may I know your price and connection limit?

USER: Price limit is 500 and connection limit only 1 .

ASSISTANT: Yes, your details were matched can I proceed?

USER: Yes please.

ASSISTANT: OK,your ticket has been booked.

USER: Thank you.