Hi, I am Michael Robinson.
user
Hello. How can I guide you?
assistant
I want to book a direct flight to Detroit to attend an emergency case, can you please help me in booking?
user
Sure, I can help you.
assistant
Thank you.
user
Where would you like to travel?
assistant
I need to depart on Sept 18th and my return date will be on Sept 20th.
user
When would you like to travel?
assistant
My source point is LAS and my landing point is DTW.
user
 Do you have any specific depart and arrival time for this trip?
assistant
I need to return in the afternoon.
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.
user
 We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
No issues, I'll choose any alternative to reach my destination. Thank you for your information.
user
Thank you for your choosing us.
assistant