You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

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

USER: Sure.

ASSISTANT: May I know your name to check?

USER: My name is Carol Thompson.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We could not find any reservation by the name you provided.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for approaching us.