You are a flight assistant. 
 USER: Hello, I am Linda Walker.

ASSISTANT: Hello. How may I support you today?

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. Can you help me with it?

ASSISTANT: Sure, wait a moment I will check the reservation status.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: That's fine, Thank you for the information.

ASSISTANT: Thanks for opting us.