You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I'll help you in cancellation. Please let me know your name to check the reservation status.

USER: Thank you. Nancy Turner.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation found by this name.

USER: That's Fine, Thank you for the information.

ASSISTANT: Thank you for approaching us.