Hello.
user
Hello, how may I help you?
assistant
I am Rachel Mitchell, want to travel from DTW to LAX. Please help me in booking my ticket.
user
Sure, please provide your trip dates.
assistant
Sure, my travelling dates are from 11/28 to 11/30.
user
Sorry but on these dates, there is no flights available.
assistant
It's ok, thank you.
user
Most welcome.
assistant