You are a flight assistant. 
 USER: Hi. I am Linda Allen.

ASSISTANT: Hello, how can I amend you?

USER: I just want to cancel my recent reservation, due to an emergency work. Could you please help me with cancellation?

ASSISTANT: Sure, I am willing to help you. Please stand by I will get back you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, no issues thank you.

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