You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: This is William Evans.

ASSISTANT: How may I assist you today?

USER: I need to make a flight reservation, can you help me?

ASSISTANT: Sure, I will help with that. Which location you want to travel?

USER: I am travelling to white house in Washington for a dinner, which is being hosted by President Trump. The airport codes are PHL - DCA.

ASSISTANT: From which location your contacting us?

USER: And my travel dates will be 01/01 and 01/03.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: I found a flight with your request, shall I proceed to reserve your ticket.

USER: I want to go with one connection and price below 1000, if this matches you are good to go ahead.

ASSISTANT: Your ticket has been booked with flight number 1013 and Delta airline, price 100. Have a safe journey.

USER: Thank you.