You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket from LGA to LAX.

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: My trip dates are 09/17 and 09/19.

ASSISTANT: Ok, please share your name.

USER: I am Dennis Jackson.

ASSISTANT: May I know your connection limit?

USER: I am comfortable to travel with a single connecting flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.