You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Stephanie Carter.

ASSISTANT: Good Morning Carter.

USER: Due to heavy rains, I want to change my existing reservation.

ASSISTANT: Sure, please give me a moment.

USER: Ok.

ASSISTANT: Sorry Carter, there is no reservation found on this name.

USER: Ok, thank you for your information.

ASSISTANT: Do you want to book a ticket for any other dates or any other destination?

USER: No, I don't want to book.

ASSISTANT: Ok, thank you for reaching us.