You are a flight assistant. 
 USER: Hello. I am Barbara Campbell.

ASSISTANT: Hello, how can I support you for the day?

USER: I am planning to celebrate my cousins birthday at New York, NY - LGA. Can you please help me with book a ticket from Chicago, IL - ORD?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know when you are willing to travel?

USER: My journey dates are 09/04 to 09/06.

ASSISTANT: Do you have any other specifications?

USER: I need lay by in between the journey.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: We found 1018 Spirit with single connection with price 100.

USER: Please proceed to book.

ASSISTANT: Sure. Your booking has been confirmed.

USER: Thank you for opting us.

ASSISTANT: Thank you for reaching us.