You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend an event in CO - DEN.Can you book me a flight ticket from CA - LAX?

ASSISTANT: Can I know your travel dates?

USER: My travelling dates are 07/09 and 07/11.

ASSISTANT: The flight 1016 of Frontier airlines is available on your request.

USER: Please book it.

ASSISTANT: Can I know your name for booking the ticket?

USER: I am Mark Scott.

ASSISTANT: Your ticket is booked successfully.

USER: Ok, thank you for the help.

ASSISTANT: Welcome.