You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation, as my exams got postponed. Can you please help me out with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you so much.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, my name is Frank Johnson.

ASSISTANT: Please wait for a while.

USER: Ok, sure. I will wait for your response.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Ok, not a problem. Anyways, thank you.

ASSISTANT: Thanks for contacting us.