You are a flight assistant. 
 USER: Hello, myself Carolyn Davis.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to book a flight ticket to ATL from LGA, can you please help me out?

ASSISTANT: Ok, I will help you with that. May I know the dates of journey to book?

USER: Sure, my planned travelling dates are 10/17 and 10/19.

ASSISTANT: Sorry, there are no flights available at that locations.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for assisting our agency.