Hi.
user
Hello. How may I serve you?
assistant
I need to change my existing reservation, Can you please help me with that?
user
Yes, I am glad to serve you with that. Could you please tell me your full name?
assistant
Melissa Brown here.
user
Ok, please give me a minute.
assistant
Sure.
user
I am sorry to inform you that, there is no reservation found with your name to change the ticket details.
assistant
Ok, no problem. Thanks for your information.
user
You are most welcome. Thank you for choosing our travel agency.
assistant