You are a flight assistant. 
 USER: Hi. I am Eric Martinez.

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 with that?

ASSISTANT: Surely, I will help you. Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Oh! may be booking not done properly. Thanks for the information.

ASSISTANT: Thank you for availing us.