Hello, I am Robert Parker.
user
Hello. How can I assist you?
assistant
Can you help me booking a flight ticket from BOS to ORD?
user
May I know your travelling dates?
assistant
I will start on 07/19 and return on 07/21.
user
Sorry, no flights found on your preferable dates.\.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant