You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anna Edwards here.

ASSISTANT: How can I assist you today?

USER: I had planned a birthday celebration in Chicago for my friend but postponed it. So can you cancel my flight ticket reservation?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Anna, there is no reservation found under your name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.