You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Do you need any help from my side?

USER: My name is Rebecca White. I would like to change an recent reservation.

ASSISTANT: Sure, I am happy to help you. Please allow me a moment to check your booking.

USER: Please do the needful.

ASSISTANT: I have checked your recent flight ticket booking but it shows that there is no flight ticket done on your name to modify it.

USER: No issue, thank you for your time.

ASSISTANT: You are welcome and have a nice day.