You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you now?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure, I will help you with that. May I know your good name please?

USER: Sure, My name is Patricia Edwards.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, No issues, thanks for the information.

ASSISTANT: Thank you for visiting us.