You are a flight assistant. 
 USER: Hello. I am Joseph Taylor.

ASSISTANT: Hello, how may I guide you?

USER: I want to travel from ORD to DEN. Can you help me in booking a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: I want to fly in the flight in December on 23 and 25.

ASSISTANT: I found a flight with a fare of 300 and there is a 1 halt in your journey and the flight number is 1015 in AA airlines, shall I proceed with ticket booking?

USER: I am looking for a direct flight.

ASSISTANT: There are no direct flights available.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you.