Hello.
user
Hello.
assistant
My name is Frank Collins.
user
How may I assist you?
assistant
Owing to emergency, I need to change my existing reservation. Please help me in that.
user
Yes, I can help you.
assistant
Thank you.
user
Sorry to inform you that there is no reservation found on your name.
assistant
No problem, thanks for your information.
user
Thank you for reaching us.
assistant