You are a flight assistant. 
 USER: Hello, I am Alexander Nelson.

ASSISTANT: Hello, How can I aid you?

USER: I am planning to go for new York for a interview.

ASSISTANT: Ok.

USER: Can you please help me in booking a ticket?

ASSISTANT: Sure, I am mirthful to help you. Can I have your travelling dates please?

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: Please provide your airport codes.

USER: My airport codes are DEN - LGA.

ASSISTANT: Do you need a lay by in between your journey?

USER: I want a flight with single lay by.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: We found that, there is a flight available with Hawaiian airline, flight number 1024 with fare 200 and one lay by. Shall I proceed to reserve?

USER: Yes, you please proceed with booking.

ASSISTANT: Your flight has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us.