You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to visit New York, can you please book me a ticket from JFK to LGA?

ASSISTANT: Sure, we are happy to help you. Please let me know your travelling dates.

USER: I am planning my journey on the dates of May 27 and May 29.

ASSISTANT: Do you have any lay by in between journey?

USER: I prefer connecting flight on this route.

ASSISTANT: Please let me know your class preference.

USER: I am comfortable with any class.

ASSISTANT: Is there any other specifications for you?

USER: I would like to depart in the evening flight.

ASSISTANT: May I know your good name?

USER: My name is Donna Harris.

ASSISTANT: Thanks for providing details, we did not find any flight on this route.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.