Hi. I am Donald Garcia.
user
Hello, how may I aid you?
assistant
I would like to book a flight ticket to attend a robotic workshop, can you help me to book a  connecting flight?
user
Sure, help me with the trip dates?
assistant
I would like to travel on dates 06/22 and 06/24.
user
May I know your airport codes that you wish to board and land?
assistant
My airport codes are ORD and EWR.
user
Do you have any preferences?
assistant
I want to return at evening.
user
Thank you for your details, we do not found any flights running in your desired routes.
assistant
That's ok, thank you for the response.
user
Thank you for reaching us. Have a nice day.
assistant