You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,how can I help you today?

USER: Can you help me in changing of my reservation as I am not feeling well right now?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Can you please share me your name?

USER: Sure, my name is Laura Nelson.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: Not an issue with that, anyways thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.