You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I support you?

USER: I am Anthony Moore. Please book a ticket from Washington DC-IAD to Houston, TX-HOU.

ASSISTANT: Sure. May I know your price limit?

USER: Price limit is 1000. Connections limit is 1.

ASSISTANT: May I know your travelling dates?

USER: 09/02 to 09/04 are travelling dates.

ASSISTANT: There is a flight 1028 in Delta airline and price 300 with a connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, Your ticket has been confirmed.

USER: Thanks for confirming ticket.

ASSISTANT: Thank you.