You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth King.

ASSISTANT: How can I aid you at this moment?

USER: I am planning to attend business meeting at IAH, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: Sure, I would like to deaprt on Dec 10 and return on Dec 12.

ASSISTANT: Do you need any halt in this journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Kenneth King, there are no flight services available on this route on your provided dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.