You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I best serve you?

USER: I want to cancel my recent reservation in the name of Catherine Perez. Can you help me in this?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, no reservation found with your name.

USER: It's ok, thank you.

ASSISTANT: Thanks for contacting us.