You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Please wait a while. May I know your name please?

USER: Sure, I will wait. I am Betty Collins.

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

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.