You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Betty Walker. Owing to an emergency. So, can you please help me in cancelling my recent reservation?

ASSISTANT: I am here to help you about that.

USER: Ok, thank you.

ASSISTANT: Sorry to say this Betty, there are no existing reservations under your name to cancel.

USER: Ok, fine thank you for checking.

ASSISTANT: Most welcome, thank you for reaching out here.