You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Help me with booking ticket from LAS to DCA, for attending a marriage of my friend.

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

USER: Sure, my trip dates are from June 07 to 09.

ASSISTANT: Would you like to travel to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: Sure, I am Ronald Green.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: We found Spirit airline with economy class and flight number is 1007 with arrival time is 17:00 hours and departure time is 4:00 hours.Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.