You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Would it be possible to change my reservation to new travel dates?

ASSISTANT: Ok, please provide me your name to check for your reservation status.

USER: Sure, I am Margaret Gonzalez.

ASSISTANT: Ok, please wait a moment I will check.

USER: Ok, take your time.

ASSISTANT: Ok, thank you for waiting. There is no reservation been found on you name to proceed with the modification process.

USER: It's ok, thanks for checking.

ASSISTANT: Ok, thank you for connecting with our agency.