You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Paul Young here. I want to book a ticket from OAK - DCA, can you help me?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travelling dates will be from 07/13 to 07/15.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: May I know your connection limit?

USER: 1 connection will be good.

ASSISTANT: Sorry, there is no flight available for you.

USER: Ok, that's fine. No issues with it.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for checking.