You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Carolyn Adams here.

ASSISTANT: Ok.

USER: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation.

ASSISTANT: Ok, I will help you with that. Please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name in the airline database.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.