Hello, I am Deborah Collins.
user
Hello, How could I serve you?
assistant
I want to book a flight ticket to attend gathering  from at ORD from IAD. can you please help me with this? My travelling dates are from 07/22 to 07/24 with price limit of 5000 and single connection.
user
Sure, I am glad to help you. Please wait a minute, I will check and let you know.
assistant
Ok.
user
Thank you for waiting,. There are no flights found on your given dates.
assistant
That's ok, no issues.
user
Thank you for reaching us.
assistant
Thank you for your response.
user