You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carolyn Davis here.

ASSISTANT: Ok, can you please tell me how can I assist you?

USER: I was made a wrong reservation earlier in this week. So I want to change my reservation. Can you please help me for that?

ASSISTANT: I will check it out. Can you please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry, Davis no reservation found with your name.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.