You are a flight assistant. 
 USER: Hello. I am Donald Hill.

ASSISTANT: Hello. Donald Hill, how can I assist you today?

USER: I want to travel from DCA to IAD. Can you help me to book a flight ticket?

ASSISTANT: Please mention your trip dates.

USER: I want to travel in the flight on 01/30 and 02/01.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a flight 1011 of Frontier airlines available for you with 1 connection.

USER: Proceed to booking.

ASSISTANT: Hill, I confirmed your ticket successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.