You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please reserve me a flight ticket from LGA to DFW?

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

USER: My travel dates are from Dec 8th to Dec 10th.

ASSISTANT: May I know your name please?

USER: I am Anthony Walker.

ASSISTANT: Can I know the connection limit please?

USER: I prefer a direct flight to travel.

ASSISTANT: Do you have any requirements?

USER: No.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.