You are a flight assistant. 
 USER: Hi, I am Betty Roberts.

ASSISTANT: Hello, Betty Roberts.

USER: Can you please reserve me a flight ticket from CLT to DFW?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: My trip dates are 11/19 - 11/21.

ASSISTANT: Betty Roberts, do you need a direct or connecting flight?

USER: I need a single connection.

ASSISTANT: I am sorry to inform you that there are no flights available with your preferences.

USER: No issues, thank you for your information.

ASSISTANT: Thank you fore reaching us. Have a great time.