You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Seven Collins. Can you please help me to cancel my reservation as my exam was cancelled/.

ASSISTANT: Sure, please wait a moment I will check your reservation details and proceed further.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say, there is no reservation on your name in my database.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you.