You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: This is Anthony Gonzalez. I want to book a flight ticket from DC - DCA to NY - LGA. Can you help me in that?

ASSISTANT: Sure, please share your journey dates?

USER: My trip dates are 01/15 - 01/17.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights found on your given dates.

USER: Ok, it is not an issue. Thank you for your service.

ASSISTANT: Thank you for choosing us.