You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Carter.

ASSISTANT: How can I aid you at this moment?

USER: Can you please help me to change my active reservation as my meeting was changed?

ASSISTANT: Sure, I am here to help you. Please give me a moment to check your reservation status.

USER: Ok, I will wait.

ASSISTANT: Rachel Carter, there is no active reservation found under your name in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.