You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket from Denver,CO-DEN to Los Angeles,CA-LAX.

ASSISTANT: Sure, Can I know your journey dates?

USER: My travelling dates are from 12/30 to 01/01.

ASSISTANT: OK, May I know your name?

USER: Sure, my name is Carolyn Anderson.

ASSISTANT: Thank you Anderson, Do you have any other requirements for booking?

USER: My price limit should be 1000.

ASSISTANT: OK, Please wait a moment I will check the availability and get back to you.

USER: OK.

ASSISTANT: There is a flight found based on your journey dates. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Ok, Your journey details here the flight number is 1019 with Delta airlines.

USER: Thanks for the information.

ASSISTANT: Your ticket has been confirmed. Thank you. Have a nice day.