You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me out in booking a flight ticket which returns in the morning?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Yes, my travelling dates are 9 and 11 of Jan.

ASSISTANT: May I know your airport codes?

USER: My airport codes are DEN and ORD.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a break in between the journey.

ASSISTANT: Please share your name.

USER: My name is Margaret Martin.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's fine, thank you for the response.

ASSISTANT: Thanks for reaching us.