Hello.
user
Hello,how can I assist you for the day?
assistant
Can you  please book a flight ticket from DEN to SEA?
user
When you are willing to travel?
assistant
Thank you. I have  planned my travel dates as  Dec 18 and Dec 20.
user
Do you have any connection limit?
assistant
I am looking for single connecting flight.
user
May, I know your good name?
assistant
Sure, myself Amanda Nelson.
user
Please wait for a moment.
assistant
Sure, take your time.
user
Sorry, we found no flights on your given dates.
assistant
Oh! It is sad to hear. Anyway, thank you for your  time.
user
Thank you for reaching us.
assistant
Most welcome.
user