You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Patrick Taylor, I need to book a flight ticket to meet my friend in HOU. Can you please help me to book a flight ticket from LGA?

ASSISTANT: Ok, I will book a ticket for you. May I know the trip dates too?

USER: Thank you, my trip dates are 08/01 ad 08/03.

ASSISTANT: Sorry, there are no flights available at those location. Thank you for connecting.

USER: Not an issue, anyway thank you for the help.