You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need a reservation for travelling to PHL and my origin airport code is DCA.

ASSISTANT: Ok, may I know your travel dates?

USER: My travel dates will be from 09/22 to 09/24. Make sure if the connection limit is 1.

ASSISTANT: Nice to inform you that. I found a flight with one connection. It is UA airlines.

USER: Ok, proceed with booking.

ASSISTANT: Yes, now I have booked your flight reservation.

USER: Thank you for confirmation of my reservation.

ASSISTANT: Have a good journey.

USER: Thanks.