You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Charles Carter. I want to book a flight ticket with a single connection to New York.

ASSISTANT: Sure, Please help me with your travel dates.

USER: My departure is 06/17 and return date on 06/19.

ASSISTANT: May I know the journey codes?

USER: I am planning to visit Central Park in NY - LGA and source from TX - HOU.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Not an issue. Thanks for your quick response.

ASSISTANT: Thank you, Have a nice day.