You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Myself Lisa Wilson. I want to book a flight ticket from SEA to DFW.

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are June 24 to June 26.

ASSISTANT: Could you please provide the departure and return time?

USER: My return should be in the afternoon.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight in business class.

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

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you.