Hello.
user
Hello, how may I serve you?
assistant
 I am planning my trip on 08/20 and 08/22 because that is convenient for me to manage my work in office. Will you please help me in booking my ticket?
user
Sure. So, please provide me airport codes?
assistant
My airport codes will be from CLT to JFK.
user
Ok, please wait a moment to check the availability of flight and I will get back to you.
assistant
Sure.
user
I am happy you to inform you we have AA airlines, flight number is 1019. Shall I confirm the ticket?
assistant
Ok, please confirm my ticket with the above flight.
user
Sure, your flight ticket has been confirmed. Thanks for approaching us.
assistant
Thank you for your help.
user