You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Gary Scott. I need to meet my father, who stays in DFW. Can you help me in booking a ticket from LGA?

ASSISTANT: Sure, I will help you. May I know your preferable dates?

USER: My planning dates are from 11/03 to 11/05.

ASSISTANT: Ok. Please give me a minute.

USER: I need a flight with 0 connection, make sure that.

ASSISTANT: Sorry Gary, I don't have any direct flight with these location.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: Thank you to visit us.