You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: My visit to the Indianapolis 500 has been postponed, due to some technical issues.

ASSISTANT: Ok.

USER: For this reason, I want to change my reservation with the name of Laura Gonzalez. Will you oblige me in this?

ASSISTANT: Sure, please standby.

USER: Thank you.

ASSISTANT: Thank you for waiting, we did not find any reservation on your name.

USER: Ok, no problem. I will go with another way.

ASSISTANT: Thank you for availing us.

USER: Thank you.