You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you  please  book a flight ticket from SFO to DCA?

ASSISTANT: Sure, please share your planned trip dates?

USER: Thank you. I have  planned my travel  dates as Oct 05 and Oct 07.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connecting flight.

ASSISTANT: Any other requirements to be met?

USER: I would like to depart in evening time so  please make sure that.

ASSISTANT: May I know your good name?

USER: Sure, myself Paul Lewis.

ASSISTANT: Southwest airlines flight- 1013 of price 300 with connection in economy class which depart in the evening 23:00 hours  matches your given details, shall I proceed?

USER: That is fine,  please proceed with booking.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your  help.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.