You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me to change my reservation to next week?

ASSISTANT: Sure, I am here to help you. For changing, we need to know your good name. So, please forward me your name to check your reservation status.

USER: Sure, I am Pamela Miller.

ASSISTANT: Ok, please be on hold. I will check with it and get back to you soon.

USER: Sure.

ASSISTANT: Sorry to inform you that, we have not found any active reservation on your name in our records.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for choosing us.