Hi.
user
Hello. How can I help you?
assistant
I need to book a ticket from IAD to ORD. Could you book a ticket?
user
Sure, I am here to assist you. Please help me with your travel dates.
assistant
Departure is May, 22 and return date is May, 24.
user
Thank you. Can you please tell me your name?
assistant
I am Carolyn Rodriguez.
user
Thank you. Please let me know your class preference.
assistant
I would like to prefer economy class.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, there is no flight available on your preferred travel dates.
assistant
Thank you.
user
You are welcome and thank you for choosing us.
assistant