You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Michelle King, I need to have a flight journey to Atlanta to meet my friend. Can you please help me to book a flight ticket for my journey from New York?

ASSISTANT: Sure, can I know you preferable dates?

USER: Sure, my preferable dates are 04/28 and 04/30.

ASSISTANT: Let me know your source and destination airport codes.

USER: Ok, my source code is EWR and destination code is ATL.

ASSISTANT: Sorry Michelle, no flights found on given schedule.

USER: Not a problem, I will go with another resources to reach out my destination. Anyways thank you for the help.

ASSISTANT: Thank you for reaching us.