You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael 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, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations to cancel tour journey.

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

ASSISTANT: Thank you for reaching our service.