You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kathleen Walker.

ASSISTANT: How may I aid you today?

USER: I just want to cancel my reservation as I am not feeling well to travel? Can you please help me in this?

ASSISTANT: Ok, please wait.

USER: OK.

ASSISTANT: Thanks for your time, no reservation found on the name Kathleen Walker.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.