Hello. I am Andrew Hill.
user
Hello, how may I help you?
assistant
I am looking for a flight from EWR to LAS, can you help me in booking the flight ticket please?
user
Ok, please tell me your trip dates.
assistant
My trip dates are from 04/08 till  04/30.
user
Hall, there is no plane as per your planned travel dates.
assistant
That's ok, no problem. Thank you for your response.
user
Thank you for consulting us, have a great day.
assistant