You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Can you help me to change my reservation to another destination?

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Karen Perez.

ASSISTANT: Please wait, I will check the reservation on your name and get back to you.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name to change.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for reaching us.