Hello,.
user
Hello,. How may I assist you today?
assistant
I am Joshua Martinez. I want to fly on July/15 from  MI-DTW to NV-LAS, And return on July/17. Can you help me with ticket booking using this details?
user
Sure, we are here to help you.
assistant
OK, Thank you.
user
Please wait a moment, I will check the availability and get back to you.
assistant
OK,.
user
Sorry to inform that there is no flight reservation on your details.
assistant
That's fine, Thank you for the information.
user
Thank you for choosing us.
assistant