You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Donna Martin, I am willing to Philadelphia for attending seminar.Can you help me to book a flight ticket from Washington DC - DCA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am willing to travel from 06/05 to 06/07.

ASSISTANT: Can you please provide your destination airport codes?

USER: Sure, my destination code is PA - PHL.

ASSISTANT: Can I have your name to proceed further? Please give me a minute, I will check for the best airlines on this route.

USER: Ok, sure. I am Donna Martin.

ASSISTANT: I found a flight with flight number 1019 with price 100 and connection is 1. Are you fine with this details?

USER: Yes, I am fine with this flight.

ASSISTANT: Your booking is confirmed with Spirit airlines.

USER: thank you for the booking.

ASSISTANT: Have a safe journey.