You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Due to emergency I need to cancel my recent reservation, Can you please help that?

ASSISTANT: Sure, I am here to help you. Please mention your name for the next step?

USER: I am  Dorothy Evans here.

ASSISTANT: Ok, Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. Unfortunately, we did not find any reservation with your name.

USER: Ok, no issues.

ASSISTANT: Thanks for taking our help.

USER: Thanks for your information.