You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you today?

USER: My name is Kathleen Anderson, I want to book a flight to Denver, CO-DEN. Can you book a flight with in fare of 5000?

ASSISTANT: Sure, Can I know your origin point?

USER: My source point is Atlanta, GA-ATL.

ASSISTANT: What are your preferable travel dates?

USER: I will fly on 06/23 and return on 06/25.

ASSISTANT: We found a direct flight. Are you comfortable with that?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket is reserved with Frontier airline, flight 1000, fare- 200.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us.