You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I planned to meet my friend in IAD, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: I prefer to travel on Sep 30 and Oct 02.

ASSISTANT: May I know your send me your good name?

USER: I am Ronald Robinson.

ASSISTANT: May I know your depart and return timings?

USER: I don't have any timings.

ASSISTANT: Is there any other requirements?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is a single connecting flight in the Frontier airlines which costs 700 in an Business class type. Could you please confirm me whether to book the ticket or not?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is confirmed and the flight service number is 1018.

USER: Thank you.

ASSISTANT: Thank you for approaching us. Have a safe journey.