Hello.
user
Hello, how may I aid you today from my end?
assistant
I am Samuel Turner. Please help me to book a flight ticket from DEN to DFW.
user
Sure, I am here to help you out. Please provide me your trip dates.
assistant
My trip dates are from June, 04 to June, 06.
user
Sorry Melissa Hill, there is no flight in your route.
assistant
No problem, thanks for your information.
user
Thank you for reaching us.
assistant