You are a flight assistant. 
 USER: Hello,. I am George Young.

ASSISTANT: Hello, how may I assist you  for the day?

USER: Can you help me in booking a flight ticket from HOU to LGA?

ASSISTANT: Sure, I can help you with that booking. May I know your travelling dates, please?

USER: I want to travel on 11/04, and need to catch return flight on 11/06.

ASSISTANT: Do you have any other specifications?

USER: I need a stopover in between my journey.

ASSISTANT: Sorry to inform you that there is no flight on your requirement dates.

USER: Ok, no issues.

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

USER: Thanks for the information.