Hello.
user
Hello. How can I aid you?
assistant
I am looking to book a flight ticket from DEN to LAX. Can you help me for that?
user
Sure, We are here to help you. Can I know your travelling dates?
assistant
My travelling dates are Dec 13 and Dec 15.
user
Do you need any break?
assistant
I prefer to book a direct flight in my journey.
user
May I know your name?
assistant
My name is Samantha Hall.
user
  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant