Hi.
user
Hello, how can I serve you?
assistant
I would like to change my existing reservation as my plan to go for a holiday trip got postponed. Can you help me with this?
user
Sure, may I know your name?
assistant
I am Catherine Brown.
user
Please wait a second.
assistant
Sure.
user
Sorry, no reservation found on your name.
assistant
Not an issue, thank you for checking.
user
Thank you for availing us.
assistant