You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Hernandez.

ASSISTANT: How may I assist you today?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, I will help you, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, I could not find any reservation with your name Jason Hernandez.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: It's my pleasure.