You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Sandra Thompson here. Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

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

USER: Ok, I will wait.

ASSISTANT: Sandra Thompson, I found your reservation and successfully cancelled your reservation.

USER: Thanks for helping me.

ASSISTANT: You are welcome. Thank you for reaching us.