Hello, Rebecca Carter here.
user
Hello, Carter. How may I assist you for today?
assistant
Actually I would like to change my reservation from DCA to IAH. Could you please help me?
user
Sure, I am here to help you. Give me a moment to check the previous reservation under your name.
assistant
Ok, take your time.
user
Sorry I can not find any reservation under your name to change.
assistant
No issues. Thank you for the information.
user
Ok, thank you for choosing our service.
assistant