Hello. I am Mary Martinez.
user
Hello, how may I serve you at this moment?
assistant
I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from IAD to ORD?
user
Sure, I will help you. Please send your travelling dates.
assistant
I would like to depart on Aug 1st and return on Aug 3rd.
user
Do you have any preferences?
assistant
I need a connecting flight in economy class.
user
There is a connecting flight available with AA airline, shall I proceed?
assistant
Yes, please confirm the booking.
user
Your booking is done with flight number 1000. Happy journey.
assistant
I really appreciate your help, thank you for your service.
user
You are welcome, have a nice day.
assistant