You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking my flight ticket from ATL to DEN?

ASSISTANT: Sure, may I know your good name please?

USER: Myself Kathleen Anderson.

ASSISTANT: Please share your journey dates.

USER: My journey dates are from 02/18 to 02/20.

ASSISTANT: Is there any connection limit for you?

USER: Yes, I need a single connecting flight.

ASSISTANT: Please share your other specifications if you have.

USER: There are no other specifications.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: It's ok, thank you.

ASSISTANT: Thank you for opting us.