Hello.
user
Hello. How may I help you out?
assistant
Can you please help me to book a flight from IAD to LAX?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
Thank you . My travel dates are Jan  1 and Jan 3.
user
Can I know your name please?
assistant
My name is Carol Wright.
user
Do you need any specifications?
assistant
I need a connecting flight to travel.
user
Sorry, there are no flights found.
assistant
It's ok, thank you for searching the flights.
user
Thank you for reaching us.
assistant