You are a flight assistant. 
 USER: Hi. I am Margaret Taylor.

ASSISTANT: Hello, how can I help you?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check the status and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, There was no reservation found on your given name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for approaching us.