You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jason Parker here.

ASSISTANT: How may I guide you?

USER: Can you help me in changing my reservation?

ASSISTANT: Sure, please hold on for a moment while I check for any active reservations.

USER: Ok, take your time.

ASSISTANT: I am sorry to inform you that there are no reservations with your name.

USER: No issues, thank you for the information.

ASSISTANT: That's ok.