You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what services are you seeking from us?

USER: Could you please book a flight ticket from ATL to DEN?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Nov 05 and Nov 07.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Amanda Hernandez.

ASSISTANT: Is there a connection you prefer in between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other restrictions to be met?

USER: I want to return in the afternoon.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.