Hello. Myself Carol Parker.
user
Hello, how may I help you?
assistant
I would like to change my reservation due to my friend had shifted our vacation trip to another location. Will you please help me with changing the reservation?
user
Ok, please wait. Sorry, no reservation has been found on your name.
assistant
Sure, take your time. Oh! May be my ticket has not booked properly. Anyway, thank you for your information.
user
Thank you for choosing us.
assistant