You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am looking to book a flight ticket from MCO to DFW. Can you help me for booking a flight ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Feb 09 and Feb 11.

ASSISTANT: Do you have any airline preferences?

USER: I have no airline preferences.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My class preference is business.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Nicholas Taylor.

ASSISTANT: Sorry, there are no flights available at your request.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Welcome.