You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: May I know your name please?

USER: Jessica Mitchell.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel.

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

ASSISTANT: Thank you for reaching us.