You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Stephanie Green. I am planning to visit New England Aquarium at Boston, could you please help me with booking a flight ticket from ATL to BOS?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: I would like to depart on Dec 28th and return on Dec 30th.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight in economy class. Make sure that my depart time is evening and return time is morning.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, not an issue. Anyways, thank you for the information.

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