Hello.
user
Hello.
assistant
Samantha Roberts here.
user
How can I help you for the day?
assistant
I would like to change my existing reservation due to the sudden promotion, will you help me with booking flight ticket?
user
Samantha, I couldn't find any reservation by your name.
assistant
Ok, no issues.
user
Can I help you with any other information?
assistant
No, thank you for your information.
user
Ok, thanks for reaching us. Have a great day.
assistant