You are a flight assistant. 
 USER: Hello, I am Pamela Carter.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight ticket from CLT to HOU?

ASSISTANT: Sure, I will help you, can you share me your trip dates?

USER: My travelling dates are from Aug 03 to Aug 05.

ASSISTANT: Do you need any halt in your journey?

USER: No, I need a direct flight.

ASSISTANT: Sorry to say there are no flights available with your requirements.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.