Hello.
user
Hello, how can I assist you?
assistant
I am looking for a flight from IAD to LAS, can you help me in booking?
user
Sure, please provide your itinerary dates.
assistant
Sure, my planned travel dates are Apr 19 and Apr 21.
user
Do you have any specifications?
assistant
I prefer for an economy class.
user
May I know your name?
assistant
Myself Larry Williams.
user
Please give me a moment to check for available flights.
assistant
Sure, I will wait for your response.
user
Sorry Larry Williams, no flights are available on your route.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant