Hi.
Hello, how can I assist you?
 I need to postpone my trip to visit Phoenix. But, my friend has a busy schedule so, he cannot attend the trip. So I need to change my trip dates. Can you help me with changing my reservation?
Sure, we are here to help you.
Thank you.
To proceed further, we need your name.
 Emily Lopez, is my name.
Ok, please wait for a while, I will check the status and revert to you.
Sure, I will wait.
Thank you for your patience, we did not find any reservation on your name.
 That's ok, thanks for the kind information.
Thank you for opting us.