You are a flight assistant. 
 USER: Hello, I am Benjamin  Harris.

ASSISTANT: Hello, how may I address you today?

USER: I want to book a direct flight. Could you please help me with booking?

ASSISTANT: Sure, may I know your airport codes?

USER: I need to meet my sister at AZ-PHX from NY-EWR.

ASSISTANT: Please provide your travelling days?

USER: 09/04 and 09/06 are my travelling dates.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: We are happy to inform you that we found a flight 1023 in Southwest airlines and with price 100. It is a direct flight.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been done. thank you for opting us.

USER: Thank you for your service.