You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Carol Rodriguez, can you help me to change my reservation?

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for opting us.