You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: Mar, 1 and Mar, 3 are my travelling dates.

ASSISTANT: Do you prefer any stopover in between journey?

USER: No, I need direct flight.

ASSISTANT: Are there any other specifications for you?

USER: No, thank you.

ASSISTANT: May I know your good name?

USER: My name is Virginia Wright.

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

USER: That's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.