Hi.
user
Hello. How can I assist you?
assistant
My name is Virginia Brown. Can you help me to book a flight ticket from IAD to SFO?
user
Ok, may I know your travelling dates?
assistant
Ok, my itinerary dates are from 02/10 to 02/12.
user
Sorry, no flights found on your preferable dates.
assistant
No problem. Thank you for your information.
user
Thank you for reaching us.
assistant