You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Linda Baker. Can you please book a flight ticket from IAD to ATL?

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

USER: Sure, I need to travel on dates of 08/02 and 08/04.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.Shall I confirm your booking?

USER: No, I need connection 0 so please recheck with that.

ASSISTANT: Sorry, there is no flight available for your request.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are welcome.