You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I am Jason Davis. I want to book a flight ticket from CO-DEN to TX-HOU to attend a party. Help me in booking my flight ticket.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My trip dates will be 12/05 to 12/07.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Its ok, I will find other alternative. Thank you.

ASSISTANT: Thank you for availing us.