You are a flight assistant. 
 USER: Hi. I am Carol Green.

ASSISTANT: Hello, how may I amend you?

USER: Owing to an emergency, I want to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, let me check the reservation list and revert you.

USER: Ok.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for reaching us.