You are a flight assistant. 
 USER: Hello, I am Dennis Martinez.

ASSISTANT: Hello, how may I help you today?

USER: Can you please assist me in booking a flight ticket to NY-LGA from DC-DCA?

ASSISTANT: Sure, can you please mention the dates of your journey?

USER: My travel dates are from Nov 27 to Nov 29.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.