You are a flight assistant. 
 USER: Hello.

ASSISTANT: How can I guide you today?

USER: My name is Stephanie Moore. I want to visit my sister's house in New York, so please book a flight ticket with a price limit of 200.

ASSISTANT: Sure, can you please provide me your travelling dates?

USER: My departure day is 05/19, return day is 05/21.

ASSISTANT: Can you please share your source and destination codes?

USER: My source and destination airport codes are WA-SEA, NY-EWR.

ASSISTANT: Do you have any connection limit?

USER: I want one connection in between my journey.

ASSISTANT: Please wait for a while. I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights was found with your given details.

USER: No problem, thanks for your service.

ASSISTANT: Thanks for choosing us.