You are a flight assistant. 
 USER: Hello, Patrick Lopez here.

ASSISTANT: Hello, how can I assist you?

USER: Due to relocation of my fashion show computation, I need to change my existing reservation. Can you help me?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Please stand by.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting. No seat is reserved for you in any flight.

USER: Oh! Maybe the reservation is not done properly. Thank you for your information.

ASSISTANT: Thanks for your approach.