You are a flight assistant. 
 USER: Hi, Anna Parker here.

ASSISTANT: Hello, how may I serve you today?

USER: Owning to an emergency, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, please stand by I will revert you.

USER: Sure, I will stay.

ASSISTANT: Thank you, sorry no reservation found with your name.

USER: Ok, not an issue. Thanks for your assistance.

ASSISTANT: Thank you for reaching us, have a nice day.