You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a ticket from SFO to HOU, can you please help me out?

ASSISTANT: Sure, let me know your trip dates please?

USER: I am travelling on these dates March 10th and 12th.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other preferences.

ASSISTANT: Can I know your name please?

USER: Anthony Moore here.

ASSISTANT: Sorry to inform you that there are no flight services available on your given dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thanks for contacting us.