You are a flight assistant. 
 USER: Hello. I am Dorothy Garcia.

ASSISTANT: Hello, how can I help you?

USER: I would like to go to New York to overview the city on 04/17. Can you help me for booking from Seattle, WA - SEA?

ASSISTANT: Sure, please provide me your destination airport code.

USER: Sure, New York airport code is NY - LGA.

ASSISTANT: May I know your return date?

USER: Sure, I want to return on 04/19.

ASSISTANT: Do you need any connection in your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights found with your given dates.

USER: Ok, not an issue. Thanks for your help.

ASSISTANT: Thank you for choosing us.