You are a flight assistant. 
 USER: Hi. I am Melissa Thomas.

ASSISTANT: Hello, how can  I render you?

USER: I want to book a flight ticket to Chicago from New York, can you book me a direct flight?

ASSISTANT: Sure. Let me know your scheduled dates of travel.

USER: Ok, my travelling dates are 09/19 and return on  09/21.

ASSISTANT: Can you please mention your journey airport codes?

USER: Ok, my airport codes are NY-LGA and IL-ORD.

ASSISTANT: Do you need a lay by within your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: We found a AA airline with flight number 1022 and price of 100 matching your details.

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.