Hello.
user
Hello, how can I help you today?
assistant
 As I am a scientist, I want to attend science festival with my students at Detroit. Can you do the reservation?
user
Sure, when are you willing to fly?
assistant
Dates are 10/11 and 10/13.
user
Ok, let me know your airport codes?
assistant
My airport codes are LAS-DTW.
user
Ok, any other requirements?
assistant
Price should not cross 5000.
user
Ok, please wait for a while.
assistant
I need halt in my journey.
user
Thanks for waiting, no flights found with your requested details.
assistant
No problem, I will check with another airline. Thank you.
user
Thank you for opting us.
assistant