You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I am planning to visit  Charlotte, will you help me in booking the flight ticket from LGA to CLT?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are Dec 05 and Dc 07.

ASSISTANT: Ok, please let me your preferable class.

USER: I prefer economy class.

ASSISTANT: Do you want any break in between your journey?

USER: I need  a connecting flight.

ASSISTANT: May I know your good name please?

USER: My return time must be in morning. Myself Deborah Baker.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.