You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Hill.

ASSISTANT: How may I help you today?

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

ASSISTANT: Sure, I am here to help you with that. Can I have your travelling dates?

USER: I am travelling on these dates OCT 12th and 14th. I need connection limit 0.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no flight's available based on your travelling dates.

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

ASSISTANT: Thank you for reaching us.