You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Rodriguez.

ASSISTANT: How may I assist you now?

USER: Can you please assist me in changing my reservation as my plan to attend for music festival got postponed?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Please, wait a minute.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name to proceed for modification.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for approaching us.