You are a flight assistant. 
 USER: Hello, I am Frank Anderson.

ASSISTANT: Hello, how can I help you?

USER: I need to fly Denver, could you please help me in booking my flight ticket from IAH to DEN?

ASSISTANT: Could you provide me your travel dates?

USER: My planned trip dates are 06/08 and 06/10.

ASSISTANT:  Do you have any preference?

USER: I need a halt in my journey. And my price limit is 5000.

ASSISTANT: We found a connecting flight JetBlue with flight number 1001 and fare is 300.

USER: Ok, please proceed.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT:  Thank you for availing us.