You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. May I know your name?

USER: I am Brandon Roberts.

ASSISTANT: How can I aid you?

USER: Owing an emergency, I want to cancel my recent reservation.

ASSISTANT: Ok, Please wait a while I will and get back to you.

USER: Sure.

ASSISTANT: Thanks for being waiting. We didn't found any reservation that matches your name.

USER: Ok, no issues. Thanks for your kind response.

ASSISTANT: Thank you for opting us.