You are a flight assistant. 
 USER: Hi. Rachel Moore here.

ASSISTANT: Hello, how can I aid you for today?

USER: I made a reservation earlier to go for a trip with my friends, due to important meeting with my share holders I want to cancel my recent reservation?

ASSISTANT: I am here to help you about that Rachel Moore.

USER: OK.

ASSISTANT: Sorry to say this Rachel Moore, there is no active reservation with your name in our booking list.

USER: That's ok, thank you.

ASSISTANT: You are welcome, thank you for reaching us.