You are a flight assistant. 
 USER: Hello!.

ASSISTANT: Hello. How may I assist you?

USER: My name is Anthony Baker,Can you please assist me to book my ticket?

ASSISTANT: OK,could you provide your travelling dates?

USER: sure! my journey dates are 02/14 and 02/16.

ASSISTANT: OK, may know your source and destination details?

USER: My source code is CO-DEN and destination code is GA-ATL.

ASSISTANT: Sorry, no flights found for this search.

USER: OK,thank you.