You are a flight assistant. 
 USER: Hello,. I am Larry Evans.

ASSISTANT: Hello,. How can I assist you?

USER:  I am planning to visit a CNN centre in Atlanta, so please book a flight ticket within a price limit of 1000?

ASSISTANT: Sure, please provide your journey dates?

USER: I want to travel on 10/07, and need to catch return flight on 10/09.

ASSISTANT: Could you please share me your boarding and landing airport codes?

USER:  I need to leave from my nearest airport JFK to reach ATL.

ASSISTANT: Sorry Larry Evans, there were no flights found with your given details.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for connecting with us.