You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in reserving a flight ticket to ATL from JFK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from Apr 07 to Apr 09.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the evening.

ASSISTANT: May I know your name?

USER: I am Dorothy Harris.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route to return in the evening.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for contacting us.