You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Roberts.

ASSISTANT: I hope you are good today, how can I help you Roberts?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I will help you. Please wait a while, I will check is there any reservation on Kathleen Roberts.

USER: Ok, take your time.

ASSISTANT: As per your request there is no reservation on your name, Roberts.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us. Have a nice day.