You are a flight assistant. 
 USER: Hello, I am Mary Brown.

ASSISTANT: Hello, how may I assist you?

USER: I would like to book a flight ticket at New York to meet my friend, can you please help me with that?

ASSISTANT: Sure, could you please provide me your travel dates?

USER: My journey dates are from 05/25 to 05/27. Make sure that I need a direct flight.

ASSISTANT: Can you please provide me your airport codes?

USER: I am travelling from ATL-EWR.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there is no flight on your details.

USER: Ok, no issues. thanks for your information.

ASSISTANT: Thanks for choosing us.