You are a flight assistant. 
 USER: Hello. Kenneth Young here.

ASSISTANT: Hello Kenneth, how may I aid you?

USER: I have a seminar in MN-MSP. Can you please help me for book a ticket from NY-EWR.

ASSISTANT: Sure, please help me with your preferable dates for booking?

USER: My departure date is 06/02 and return date is 06/04. Make sure my connections limit is 1.

ASSISTANT: Ok, please hold on for a while and I will get back to you.

USER: Ok.

ASSISTANT: Sorry Kenneth, there are no flights found with your requested dates of travelling.

USER: Any way, thank you for the information.

ASSISTANT: Ok, thank you for contacting us, have a nice day.