You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Barbara Adams here. By mistakenly, I was made a wrong reservation. So I want to change my reservation. Can you please help me for that?

ASSISTANT: Sure, I can help you with that.

USER: Ok.

ASSISTANT: Please wait a moment, I will revert you back with the status of your reservation.

USER: Ok, take your time.

ASSISTANT: Thanks for your time, I couldn't find a reservation with your name.

USER: Anyway, thank you for the information.

ASSISTANT: Ok, thanks for approaching us.