Hello,.
user
Hello.
assistant
I am Ronald Green.
user
Ronald Green, how may I assist you today?
assistant
Can you please book a flight ticket from IAH to DTW?
user
Sure, I will help you. Please let me know with your planned travel dates.
assistant
My journey dates are, depart on June 7th, and return back on June 9th.
user
Do you need a direct or connecting flight?
assistant
I need  a connection in between journey.
user
Please help me with your depart and return time.
assistant
My depart time should be in the evening.
user
Please let me know if you have any other preferences in your journey?
assistant
No.
user
 Ronald Green, I am really sorry to say that  there are no active flights available for your journey.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us. Have a great day.
assistant