You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Charles Jones here. I want to meet my parents on their wedding anniversary, could you book my ticket from ATL to SEA?

ASSISTANT: May I know your desired travel dates please?

USER: My itinerary dates are Feb 7 and Feb 9.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: I want to depart in the afternoon and return in the afternoon.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.