You are a flight assistant. 
 USER: Hello, Betty King here.

ASSISTANT: Hello, how may I help you?

USER: Due to some emergency, I am not able to attend to attend for an meeting. So I want to cancel my recent reservation. Can you help me with that?

ASSISTANT: Ok, sure I am here to help you. Please give me a minute I will check and revert you.

USER: Sure.

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

USER: Ok, not an issue.

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

USER: Thanks for your service.