Hello.
user
Hello, how may I guide you?
assistant
I have a program to attend, so could you help me to book a  ticket from LGA to LAS.
user
Sure, I am willing to help you for this. When would you like to travel?
assistant
My travel dates are June 19 and June 21.
user
Is there any other specifications regarding your journey?
assistant
Yes, I would like to board a direct flight with the economy class.
user
Do you have any preference?
assistant
No. Thank you for asking.
user
For further process. May I know your name please?
assistant
My name is Scott Davis.
user
sorry to inform, no flights are found with your criteria.
assistant
No issue, thank you for your time.
user
Thank you very much for contacting our agency.
assistant