You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please reserve me a flight ticket from HOU to LGA?

ASSISTANT: Yes, I am here to assist you. Please can I know your dates of journey?

USER: Sure, my travel dates are from Jan 23 to Jan 25.

ASSISTANT: Please can I know your specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please may I know your name for the data purposes?

USER: Margaret Brown here. Please make sure that my class preference should be economy.

ASSISTANT: Ok, please let me know if you have any other specification.

USER: No. I don't have any other requirements.

ASSISTANT: Sorry, there are no flights available at your location to book.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Ok, thank you for choosing our agency.