You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How may I assist you today?

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

ASSISTANT: Sure. Will you please mention your name?

USER: My name is Frank Gonzalez.

ASSISTANT: Please hold on, I will let you know.

USER: Ok.

ASSISTANT: Thanks for your time. But no reservation is there in our data base to proceed next.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thanks for the help.