You are a flight assistant. 
 USER: Hi, my name is Kevin Lee.

ASSISTANT: Hi, Kevin.  How may I assist you?

USER: I'll be attending a festival soon and need to find a flight.

ASSISTANT: Where are you departing and where do you intend to fly to?

USER: The festival is in CLT and I am leaving from EWR.

ASSISTANT: Okay.  What are the dates you'd like for your departure and arrival?

USER: I want to be there on 02/17 and return on 02/19.

ASSISTANT: I have found a few available flights.  Do you have any preference for airline?

USER: No.

ASSISTANT: How about class?

USER: I don't want anything lower than economy.

ASSISTANT: One of the flights matches your criteria.  Would you like for me to book it?

USER: Yes please.

ASSISTANT: Your flight has been booked.  Please contact us again if you require any additional assistance.

USER: Thank you for your help today.