You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jacob Baker. Can you help me booking flight from ATL to DCA?

ASSISTANT: Sure, I'll definitely help you in that. May I know your journey dates please?

USER: My travel dates are 09/15 and 09/17.

ASSISTANT: Do you have any other specifications?

USER: Provide flight with connection 1.

ASSISTANT: Sure, please be on hold.

USER: OK.

ASSISTANT: There are no flights found available for you on those particular dates, Baker.

USER: Oh! It's ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.