You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. Can I know your name please?

USER: Carol Thomas.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.