You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Kenneth Perez here. I am planning to visit a trip in Chicago, ORD. Can you help me with booking a flight ticket from DEN?

ASSISTANT: Sure, our agency can help you in booking process also. Can you please let me know on what dates that you have planned to reserve the ticket?

USER: My planned journey dates are from Jan 08 to Jan 10.

ASSISTANT: Is there any other preferences that you need in your journey?

USER: I need a connecting flight with a minimum price of 200.

ASSISTANT: Let me check with your intent in our booking portal, please give me a moment.

USER: Sure, I will wait for your information.

ASSISTANT: As per your intent I have checked in our portal but it is showing that no airlines is moving towards your location to reserve a seat for you.

USER: Ok, no problem. Anyway, thank you for the information.

ASSISTANT: It's my pleasure to assist you and thank you for approaching our agency.

USER: Thank you for your kind service.

ASSISTANT:  Welcome.