You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please be my helping hand in changing my existing reservation?

ASSISTANT: Sure, I am here to help you. May I know your good name please?

USER: Thank you. I am Emily Wright.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for choosing us.