Hello.
user
Hello, how can I assist you for the day?
assistant
I am Mark Brown. Can you please help me to book a flight ticket from IAD - LGA?
user
When you are willing to travel?
assistant
I am willing to travel on 10/16 and return on 10/18.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, we found no flights on your given dates.
assistant
No problem, thanks for your information.
user
Thank you.
assistant