You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight in business class to reach Denver?

ASSISTANT: Sure, may I know your planned travel details?

USER: My planned dates are on July 29th to 31st.

ASSISTANT: May I know your your source point?

USER: Sure, It is DFW.

ASSISTANT: Do you have any other specifications?

USER: I prefer a connected flight.

ASSISTANT: May I know your good name?

USER: Sure, my name is Pamela Hall.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.