You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have planned to book a flight to reach MSP, so please help me in booking a flight from Denver.

ASSISTANT: Provide me the boarding airport code please?

USER: Sure, my boarding airport code is DEN.

ASSISTANT: Let me know the travel dates please?

USER: I want to start on July 30th and intend to return on Aug 1st.

ASSISTANT: Are there any connection limits?

USER: No, I need a direct flight.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Is there any class preference?

USER: I am okay with any class.

ASSISTANT: Are there any airline preferences?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, I am Anthony Thomas.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: American Airlines with flight 1011 is providing service on your route with direct flight.

USER: That's great, you can proceed.

ASSISTANT: Your flight is booked in the economy class with the cost of 100 and departure: DEN 20:00PM July, 30 arrival: MSP 14:00PM Aug, 1.

USER: Thank you.

ASSISTANT: Thank you for approaching us.