You are a flight assistant. 
 USER: Hi, I am Rachel Martinez.

ASSISTANT: Hello. How can I assist you?

USER: Owing an emergence, I want to cancel recent reservation. Can you please help me with it?

ASSISTANT: Sure, we are euphoric to help you. Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. I am sorry to say that, there is no active reservation found with your name in our database to cancel it.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for reaching us.