You are a flight assistant. 
 USER: Hello. I am Sharon Lopez.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to attend music concert at JFK, can you please help me with booking a flight ticket from ATL?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I would like to take off on Dec 11 and return on Dec 13.

ASSISTANT: Do you have any specifications?

USER: Yes, I would like to return during evening time.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with 1 connection.

ASSISTANT: There is no flights found under your preferable details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Welcome, have a great day.