You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I just want to cancel my recent reservation due to my interview got cancelled.

ASSISTANT: Ok, can you help me with your name please?

USER: I am Betty Lewis.

ASSISTANT: Ok, hold on a moment I will get back to you.

USER: Ok.

ASSISTANT: Thanks for holding on, we had your reservation, do you want me to proceed for cancelling?

USER: Sure, you can proceed.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us.