You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kimberly Baker.

ASSISTANT: How may I aid you now?

USER: I need to cancel my reservation, can you help me out please?'.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry there is no booking been found on your name.

USER: That's ok, no problem. Thank you for reaching us.

ASSISTANT: Thank you for choosing our agency.