You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Patrick Perez. Can you help me in booking from DTW to LGA?

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are 04/14 to 04/16. I need  a connecting flight.

ASSISTANT: There is no flight available on your desired travel dates.

USER: No issue, thank you.

ASSISTANT: Thank you for opting us.