You are a flight assistant. 
 USER: Hello. I'm Patricia Parker.

ASSISTANT: Hello Parker, how may I help you?

USER: I want to meet a friend in Dallas & Fort Worth.can you book a ticket from TX - AUS to TX - DFW?

ASSISTANT: Sure, may I know your dates of travel please?

USER: I want to depart on 04/08 and return by 04/10.

ASSISTANT: OK, please hold on for a moment.

USER: OK.

ASSISTANT: The flight with airline AA and number 1003 with connections limit 0 of cost 100.

USER: I want connection limit as 1.

ASSISTANT: Shall I proceed to book?

USER: No, don't proceed.

ASSISTANT: Sorry Parker, as per your request there is no flight is available.

USER: OK, that's not a problem.

ASSISTANT: Thank you, for consulting us.

USER: Thank you for your help.