Hello, I am Helen Davis.
user
Hello Davis, how can I assist you?
assistant
I want to attend a workshop in Philadelphia. Can you help me to book a ticket from IAD to PHL?
user
Please provide your trip dates.
assistant
Ok, my travelling dates are 07/20 and 07/22.
user
Sorry, no flight is found.
assistant
Ok, not an issue. Thank you for your response.
user
Thank you for contacting us.
assistant