Hello.
user
Hello.
assistant
I am Mark Thomas.
user
How can I assist you at this moment?
assistant
I would  like to book a flight ticket from DTW to LAS to meet my brother.
user
Sure, I will help you with this. Can you please share your trip dates to proceed further?
assistant
Sure, my travelling dates are June 4 and June 6.
user
Do you need any halt in this journey? Mark Thomas, there are no flight services available on this route on your provided dates.
assistant
No worries, thank you for the information.
user
Thank you for contacting us.
assistant