You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please reserve me a flight ticket from EWR to ATL to attend a film festival?

ASSISTANT: Sure, let me know your travelling dates.

USER: My planned trip dates are from July 6 to July 8.

ASSISTANT: Please share your connection limit.

USER: I prefer only direct flight for my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Helen Clark.

ASSISTANT: Sorry, there are no flights found based on your details.

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

ASSISTANT: Thank you for choosing us.