You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Ryan Taylor, can you help me to book a afternoon flight from DCA?

ASSISTANT: I will try my best to help you in booking your flight ticket booking. Can you please provide your planned dates of journey?

USER: My travelling dates are 08/26 and 08/28.

ASSISTANT: May I know your destination?

USER: Please book a connecting flight to LAX.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: No.

ASSISTANT: We have a connecting flight-1019 in economy class, shall I confirm it?

USER: Proceed with booking.

ASSISTANT: Ok, booking is done on Frontier airlines.

USER: Thank you.

ASSISTANT: Thanks for reaching us.