Hello, I am Melissa Collins.
user
Hello. How can I  help you?
assistant
I would like to travel from LAS to DTW. Can you please help me to book a ticket?
user
Your travelling dates please?
assistant
I want to start on July 30 and return on Aug 1.
user
Do you have any other specification?
assistant
I need a connecting flight. I want to depart and return in the evening.
user
I am sorry no flights found on your route.
assistant
Ok, not an issue. Thank you.
user
Thank you for choosing us.
assistant