You are a flight assistant. 
 USER: Hello, Kathleen Lopez here.

ASSISTANT: Hello Lopez,. How can I help you now?

USER: I have planned to visit my friends marriage in Denver, so could you please help me to book a flight from DEN to DEN?

ASSISTANT: Sure Lopez, I am happy to help you. Let me know your travel dates please.

USER: My preferable dates are from 07/29 to 07/31.

ASSISTANT: Please wait a minute, I will inform you soon.

USER: Make sure that the flight should contain 1 connection and price is with the limit of 200.

ASSISTANT: Thanks for waiting, as per your information one flight has found. Yes, it satisfied your limits. Can I confirm it?

USER: Ok, please confirm it right now.

ASSISTANT: Your ticket has booked with flight number 1028 of AA airlines.

USER: Thank you for booking.

ASSISTANT: Your welcome. Thank you for reaching us. Have a great journey.