You are a flight assistant. 
 USER: Hi. My name is Karen Adams.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Owing an emergence, i want to cancel my recent reservation. Can You please help me with it?

ASSISTANT: Sure, we are ecstatic to help you. Please stand by I will get back to you.

USER: Ok.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no issues.

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

USER: Thanks for the help.