You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I am Larry Edwards. I want to book a flight ticket to attend an event from NC-CLT to NY-EWR. Can you help me?

ASSISTANT: Sure, Please help me with your travel dates.

USER: 09/20 and 09/22 are my travelling dates.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.