You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Richard Lopez here. I want to travel to New York to meet my client, can you book a ticket from DTW to EWR?

ASSISTANT: Sure, may I know your planned dates to travel?

USER: I am planning to go on 03/19 and return on 03/21.

ASSISTANT: There is a flight available on your requested dates from Southwest airlines with 2 connecting flights.

USER: I need 1 connection flight.

ASSISTANT: Sorry, no flight is available for your request.

USER: Ok, no problem. thank you for checking.

ASSISTANT: Thank you for reaching us.