You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight from New York, NY-EWR to Seattle, WA-SEA, for arts and crafts festival. I am Dennis Garcia.

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

USER: Departure date is 04/21 and will return by 04/23.

ASSISTANT: May I know your connection limit?

USER: Flight connections limit is 1.

ASSISTANT: Sorry to say that, no connecting flights were found with your given details.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.