Hello.
Hello, how may I help you?
I am Melissa Lopez. Could you help me in booking a flight ticket from Detroit to Las Vegas on May 26?
Melissa Lopez, I am here to help you for this. Could you please share me your airport codes?
My source and destination airport codes are DTW and LAS.
Can you please mention your return date?
I want to return on May 28.
Do you have any airline preference?
No.
Do you have any other specifications?
My depart time should be morning.
Sorry to intimate, no flights are found  with your criteria.
No problem, thank you.
Thank you very much for reaching us.