You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Emily Lee. Can you find a flight for me which is having single connection?

ASSISTANT: Sure, could you please provide your dates of travel to search for the flight?

USER: Sure, my trip dates are from 12/30 and 01/01.

ASSISTANT: Ok, may I know the codes of airport to proceed further?

USER: Sure, my locations are from DTW to LGA.

ASSISTANT: Ok, please hold on for a while.

USER: Sure.

ASSISTANT: Sorry to say, no flights were available on your dates.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for choosing us, have a nice day.