You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning. How may I help you today?

USER: My name is Stephanie Carter.

ASSISTANT: Hope you are doing well.

USER: Actually my assistant booked my reservation, but due to a misunderstanding, she booked the reservation on the wrong date.

ASSISTANT: Ok.

USER: Could you please change my existing reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name in my records.

USER: That's ok.

ASSISTANT: Do you want to know anything else?

USER: No, thank you for your time.

ASSISTANT: Welcome.