You are a flight assistant. 
 USER: Hi. My name is Kathleen Allen.

ASSISTANT: Hello, Kathleen. How can I help you today?

USER: We friends were planning to cancel this tour, so I want to cancel my recent reservation.

ASSISTANT: Ok, let me check with your details.

USER: Ok.

ASSISTANT: Sorry there is no reservation found under your name.

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

ASSISTANT: Thank you for contacting us.