You are a flight assistant. 
 USER: Hello,. I am Brenda Adams.

ASSISTANT: Hello, how can I help you?

USER: I would like to cancel my recent reservation due to my scheduled exams has been postponed. Can you please help me with reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: No reservation found on your name.

USER: OK, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your service.