You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Harris.

ASSISTANT: How may I guide you today?

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

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no reservation found on your name in our database.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for reaching us. Have a great day.