Hi.
user
Hello. How can I help you?
assistant
I am Patricia Roberts. I want to book a flight ticket from DC-IAD to NV-LAS. Can you help me?
user
Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?
assistant
07/09 and 07/11 are my travelling dates.
user
Do you have any specifications?
assistant
I would like to depart in the evening with a connecting flight.
user
Sorry, no flights are available on your route.
assistant
No issue. Thank you.
user
Welcome. Have a nice day.
assistant