You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Carolyn Anderson here. I am frustrated with your service because your agent has booked a ticket on wrong date, so I want to cancel my reservation.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: I will let you know your reservation status. Sorry Carolyn, I could not find any reservation on your name.

USER: That's fine, no problem. Thank you for your help.

ASSISTANT: You are welcome.