You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

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

ASSISTANT: Sure, I will help you with that.

USER: Thanks for that.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Ok, I will wait.

ASSISTANT: I have found your reservation and cancelled successfully.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us, have a good day.