You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Carolyn Johnson.

ASSISTANT: I hope you are doing good.

USER: Yes, I am fine. Can you help me to change my reservation? Because I had booked to a wrong location.

ASSISTANT: Sure, I will help you in changing the reservation. please wait for a minute, let me check your details in my records.

USER: Good to hear that from you, please check.

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

USER: That's fine, not an issue.

ASSISTANT: Do you have any other plans to travel?

USER: No, thank you for your quick response.

ASSISTANT: Thank you for approaching us, have a nice day.