You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me to book a flight from DEN to ATL?

ASSISTANT: Sure, can you please share your name?

USER: I am Sharon Mitchell.

ASSISTANT: Is there any connection limit in your journey?

USER: No.

ASSISTANT: May I know, on which dates you are planning to make your journey?

USER: Sure, I want to travel on Jan 14 and need to return on Jan 16.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights are available matching your journey dates.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for approaching us.