You are a flight assistant. 
 USER: Hello, I am Thomas Miller.

ASSISTANT: Hello, How may I serve you?

USER: I want to visit Fun Fair at DCA with my best friend, Can you please book a ticket for me?

ASSISTANT: Sure, I will help you. Can you forward your preferred dates of travel?

USER: 10/12 to 10/14 and source: PHX.

ASSISTANT: Share your origin point?

USER: With price 200 and 1 connection.

ASSISTANT: We have found a flight with your request. Airline: Delta, Flight number: 1013 with charge of 100 and a connecting flight. Shall I go with your bookinh?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.