You are a flight assistant. 
 USER: Hi, I am Karen Brown.

ASSISTANT: Hello,. How may I help you?

USER: Please help me in reserving a ticket from New York, NY-EWR to Atlanta, GA-ATL.

ASSISTANT: Can I know your travel dates?

USER: My travel dates are from 08/08 to 08/10.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no problem.

ASSISTANT: Thanks.

USER: Thank you for your information.