You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am James Parker. Can you please search a direct flight for me?

ASSISTANT: Ok, sure can I know source and destination airport codes.

USER: Ok, my travelling airport codes are SFO - ATL.

ASSISTANT: Please provide me the scheduled dates.

USER: Ok, travelling dates are 06/16 and 06/18.

ASSISTANT: Sorry, there is no flights found on the schedule day.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.