You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Could you please book a flight ticket from JFK to EWR?

ASSISTANT: Please provide your trip dates.

USER: My trip dates are July 01 and July 03.

ASSISTANT: Do you need any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications to bet met?

USER: I want to depart in the evening.

ASSISTANT: May I know your name?

USER: I am Lisa Gonzalez.

ASSISTANT: There are no flights available on your routes.

USER: No problem, thank you for the information?

ASSISTANT: Thank you for choosing us.