Hello.
user
Hello. How can I assist you?
assistant
I am Shirley Robinson. I want to book a ticket from LGA to LAS to meet my parents.
user
May I know your travelling dates?
assistant
I am departing on 07/21 and return on 07/23.
user
There is a  flight with number 1013 in airline UA.
assistant
Please proceed for booking.
user
Your ticket is confirmed, thank you for opting us.
assistant
Thank you for your service.
user