Hello.
user
Hello. How can I assist you?
assistant
I am Richard Rodriguez. I would like to book a flight ticket to DEN to participate in the city tour. Can you book me a ticket from LAX?
user
Sure, We are here to help you. Can I know your travelling dates?
assistant
I would start on 08/23 and return on 08/25.
user
Do you need any break?
assistant
Yes.
user
Thank you for providing all necessary details, could you please wait for a while, I will check the availability and get back to you.
assistant
Sure, take your own time.
user
Thank you for waiting, I regret to inform you that there is no flight obtained on your journey dates to book a flight ticket.
assistant
That's alright, thanks for your assistance.
user
Thank you  for approaching us.
assistant