Hello.
user
Hello.
assistant
I am Charles Martinez.
user
How may I aid you?
assistant
I want to book a ticket from BOS to IAD to attend workshop, can you help me in booking?
user
Sure, I can do that for you. Please let me know your trip dates.
assistant
I am departing on Apr 27 and return on Apr 29.
user
Ok, do you have any class preference?
assistant
I am ok with any class.
user
Ok, may I know your specifications?
assistant
I want to return in afternoon time.
user
Sorry, there is no flight available as per your requirements.
assistant
That's ok, thank you for your information.
user
You are welcome and have a nice day.
assistant