Hello.
user
Hello, how may I help you?
assistant
I am Carol Allen. I want to visit DFW to meet my cousin, can you please help me to book a flight ticket from IAD?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
Sure, my journey dates are Sept 15 and Sept 17.
user
Do you have any particular time for departing and returning?
assistant
My departing time is evening.
user
Do you have any requirements?
assistant
I need a single connection flight.
user
Sorry, no flight is available for you as per your requests.
assistant
No problem, thank you for your information.
user
Thank you for reaching us.
assistant