You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to search a flight with 1 connection limit?

ASSISTANT: Sure, may I know your airport codes?

USER: The airport codes are from NY-EWR to WA-SEA.

ASSISTANT: Ok, please tell me your trip dates.

USER: The travel dates are 06/16 to 06/18.

ASSISTANT: May I know your name?

USER: Sure, my name is Samantha Smith.

ASSISTANT: Sorry, there is no plane on your travel dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you.