You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me with cancelling my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: Can you please share your name to check your reservation status?

USER: Sure, I am Shirley Walker.

ASSISTANT: Ok, please give me a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found on your name  in our records.

USER: It's ok, thanks for your service.

ASSISTANT: Thank you for reaching us.