Hello, I am Catherine Brown.
user
Hello, how may I aid you today from my end?
assistant
Can you aid me in booking an economy class ticket from BOS to DEN?
user
Sure, I am here to help you out. Please provide me your trip dates.
assistant
I am planning to start on Aug 13th and return back on Aug 15th.
user
Sorry Catherine Brown, there is no flight in your route.
assistant
No issues. Thank you for checking.
user
Thank you for reaching us.
assistant
You are welcome.
user