Hello,.
user
Hello, How can I provide assistance to you?
assistant
I am Gregory Turner. I want to book a flight ticket.
user
Sure, What date would you like me to book the ticket?
assistant
 I need to fly on April/22 and return on April/24.
user
OK, Could you please provide me your Source and Destination?
assistant
 Sure, Source is NV-LAS and the destination is PA-PHL.
user
Please wait for a moment, I will check and inform you about the details of the journey.
assistant
OK,.
user
Thanks for being patient, Unfortunately we did not find any flight with your particulars.
assistant
That's fine, Thank you for your information.
user
Thank you for contacting us, Have a nice day.
assistant