Hello.
Hello, how can I help you today?
Can you please help me to change the ticket details in the past ticket?
Sure, kindly share your name.
Thank you. I am Patrick Carter.
Your existing reservation is found. please share me your trip dates.
That's great, my travel dates are Sept 3rd and Sept 5th.
Can you give your airport codes?
The source and destination airport codes are SFO and DEN.
Do you need any connection limit?
Yes, please make sure that the connection limit is 1.
May I know your preferable timings?
No, I didn't have any preferable timings.
Do you need any other requirements?
No, I have mentioned all my requirements.
 There are no flights available on your routes.
It's ok, not a problem. Thank you for checking the flights.
Thank you for choosing us.