You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Linda Thompson. Actually I have booked the ticket in the last week but she only coming here. So I want to cancel the ticket. Can you please help me?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: It's ok, thank you for searching.

ASSISTANT: Thank you for reaching us.