You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Please help me in book a flight ticket from HOU to LGA to attend an event.

ASSISTANT: Sure, please help me with your journey dates.

USER: My trip dates are Sept 11 to Sept 13.

ASSISTANT: Ok, Do you have any class preferences?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we did not find any flights with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: May I know your name for documentation purpose?

USER: I am Edward Adams.

ASSISTANT: Thank you for opting us.