Hello, I am Nicholas Allen.
user
Hello, How can I serve you?
assistant
I want to book a flight ticket from CO - DEN to MA - BOS, so please help me in booking a flight ticket.
user
Sure, Please help me with your travel dates.
assistant
I would like to fly on 12/12 and return on 12/14.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your preferable dates.
assistant
Not an issue. Thank you.
user
Thank you for reaching us.
assistant