You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Kevin Jones. I am planning to visit Seattle from IAD to SEA. Can you find a flight ticket for me?

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

USER: Ok, my planned trip dates are on 03/17 and return on 03/19.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Ok, make sure that the connection limit 1.

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

USER: Ok, not an issue. Thank you for your information.

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