Hi, I am Helen Perez.
user
Hello. How may I help  you?
assistant
Could you please help me to book a flight ticket from Las Vegas, LAS to attend a business meeting in Denver, DEN?
user
Sure, I will help you.
assistant
Thank you.
user
When you have to start your journey to attend a meeting?
assistant
I need to reach Denver on 07/27 and my return date will be on 07/29.
user
In which class you want me to book your flight ticket?
assistant
I am comfortable with any class.
user
Give me a minute, I will let you know the flight availability.
assistant
Sure.
user
Thanks for your time, there is a flight available with fare 100 in economy class of Delta airline having single connection.
assistant
Everything is fine, you can proceed with the booking.
user
Your reservation has been confirmed with flight number 1019.
assistant
Thank you for your help in booking.
user
Thank you for choosing us.
assistant