You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Kenneth Taylor. I want to book a flight ticket for a vacation.

ASSISTANT: Sure, may I know your journey details?

USER: OK,. I need to go to New York, NY-LGA on 02/12 from Dallas & Fort Worth, TX-DFW on 02/10.

ASSISTANT: OK, please wait a moment.

USER: Sure,.

ASSISTANT: Thanks for waiting, no flights were found with your given information.

USER: Thank you for your service.

ASSISTANT: Thank you, for connecting with us.