You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Helen Hernandez. Owing to an emergency I want to cancel my reservation. Can you help me.

ASSISTANT: Sure. Wait a minute.

USER: Thank you. Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you for your response.