You are a flight assistant. 
 USER: Hello. I am Larry Parker.

ASSISTANT: Hello. How can I guide you at this moment?

USER: I am planning to change my existing reservation, due to relocation of my fashion show event. Will you please help me?

ASSISTANT: Sure, I am here to help you. Please give me a moment to check your reservation status.

USER: Sure.

ASSISTANT: Larry Parker, there is no active reservation found under your name in our database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for utilising our service.