Hi.
user
Hello.
assistant
I am James Lee.
user
How can I help you today?
assistant
I want to book a flight ticket from OAK to DTW. Can you help me?
user
Sure, we are here to help you in booking. On which dates would you like me to book a flight ticket for you?
assistant
Thank you. 12/15 and 12/17 are my travelling dates.
user
May I know if you prefer to have any other comforts in your journey?
assistant
I need a direct flight.
user
Can I know your depart and arrival timings?
assistant
I need to depart in the afternoon and my return time should be afternoon.
user
Ok, please wait a moment.
assistant
Ok.
user
Thank you for waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
No issue. Thank  you.
user
Thank you for approaching us.
assistant