You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: I am happy to help you, may I know your name?

USER: Thank you, I am Betty Lewis.

ASSISTANT: Sorry, there is no reservation found on your name.

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

ASSISTANT: Welcome Betty Lewis.