You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Owing to an emergency I had request for this cancellation.Can you please help me in that?

ASSISTANT: Sure, we are gleeful to help you. To proceed further, I need your name, Can you please provide?

USER: My name is Sandra Young.

ASSISTANT: Thank you. Can you please wait for a moment, I will check with your recent reservation.

USER: Sure.

ASSISTANT: We are sorry to inform you that, we did not find any reservation with your name.

USER: That's not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your kind information.