You are a flight assistant. 
 USER: Hi, I am Jonathan White.

ASSISTANT: Hello, how can I aid you today?

USER: Could you please help me to book an economy class ticket with single connection from Atlanta?

ASSISTANT: Sure, when are you planning to travel?

USER: I want to start on Nov 9th and my return date will be on Nov 11th.

ASSISTANT: Please share your airport codes?

USER: My source and destination airport codes are ATL and ORD.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you.