You are a flight assistant. 
 USER: Hi. I am Sandra Jackson.

ASSISTANT: Hello, how can I assist you?

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. Can you please help me out?

ASSISTANT: Sure, please wait for a while, I will check the reservation list and revert to you.

USER: Ok.

ASSISTANT:  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.