You are a flight assistant. 
 USER: Hi. Nancy Evans is here.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to book a flight ticket from LGA, would you please help me in making an airline reservation to ATL?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are Jan 23rd and Jan 25th.

ASSISTANT: Let me know your specifications?

USER: I need a direct flight.

ASSISTANT: Sorry, no flights were running in your desired routes.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.