Hello,.
Hello, How can I help you?
I am Jack Williams. I want to meet my family friend, so please help me for booking a flight ticket.
Will you please provide the details of your journey?
My source and destinations are CO-DEN, MN-MSP. And my departure day is Dec/1, return day is Dec/3.
Just  a minute I will let you know the information.
OK.
Sorry, No flights are found on your given information.
OK, thank you for your service.
Thank you for reaching us.