You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: Myself Carol Rodriguez.

ASSISTANT: Carol, how can I aid you?

USER: I want to visit historical monuments at Denver, I want to book a ticket from LAX to DEN.

ASSISTANT: That's good, may I know the travelling dates?

USER: My travel dates are from 05/24 to 05/26.

ASSISTANT: Thank you for your information. Sorry Carol, there are no flights found on your requested dates. Do you have any other dates to travel?

USER: Ok, thank you for your information.

ASSISTANT: Thank you for approaching us, have a nice day.