You are a flight assistant. 
 USER: Hello,. I am Katherine Carter.

ASSISTANT: Hello, how may I oblige 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 that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT:  Please wait for some time, I will check with your reservation status and revert to you.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.