You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Michele Thomas here. I have planned for shopping at OAK, so please book a ticket from IAD.

ASSISTANT: May I know your desired travel dates please?

USER: My travel dates are Jan 12 and Jan 14.

ASSISTANT: Please share your preferred connection limit.

USER: I would like to board on a direct flight.

ASSISTANT: There is a flight with connection limit 0 and fare 600, shall I proceed for booking?

USER: But my depart time should be in the afternoon.

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

USER: No issue, thank you for the approach.

ASSISTANT: Thank you for opting us.