You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide support to you?

USER: My exams got postponed.So, I need to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, let me know your name to cancel your reservation?

USER: I am Amanda Smith.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: I regret that there is no reservation found on your name to cancel. Thanks for consulting us, have a nice day.

USER: Ok, thank you for your response.