You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Katherine Phillips, can you help me to book a flight ticket from DC - DCA to PA - PHL?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: Ok, my travel dates are 02/24 and 02/26.

ASSISTANT: Please allow me a moment.

USER: Ok, I will wait.

ASSISTANT: In my search, I found a flight for you with single connection. Shall I proceed for booking?

USER: Ok, please book that flight if the price limit is 200.

ASSISTANT: Ok. Your ticket is booked with flight number 1001 and airline is UA.

USER: Thank you for assisting me with the flight ticket booking.

ASSISTANT: Welcome.