You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

USER: My name is Karen Carter and I want to book the flight ticket from LAS to BOS.

ASSISTANT: Ok, Can you please let me know your travelling dates?

USER: My travel dates are 12/25 and 12/27.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I would like to depart in the afternoon.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Thanks for your details, there is a connecting flight found in JetBlue airline of flight number 1010 and fare is 200. Shall I proceed for booking?

USER: No, I need a direct flight.

ASSISTANT: Sorry, there is no direct flight found on your requested dates.

USER: Thank you for the information.

ASSISTANT: Thanks for consulting us, wish you a nice day.