Hello.
user
Hello, how may I assist you?
assistant
Could you please book a flight ticket with a direct flight to Boston as I want to attend my sister's marriage?
user
Sure, may I know your airport codes?
assistant
My journey airport codes are from Denver, CO-DEN to Boston, MA-BOS.
user
May I know your trip dates?
assistant
I will depart on 12/20 and return on 12/22.
user
Do you have price limit?
assistant
My fare should be 500.
user
May I know your good name please?
assistant
My name is Charles Rodriguez.
user
Unfortunately there is no flight on your details.
assistant
No problem, thank you for the information.
user
Thanks for choosing us.
assistant