You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: My name is Carol Young, I want to book a flight from LGA to visit my home. Can you book a flight to HOU?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I will fly on Jan 19 and return on Jan 21.

ASSISTANT: Do you have any requirement?

USER: I want connecting flight and also my return flight in afternoon.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry Carol Young, there is no flight in your route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.