You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I have to cancel my recent reservation as my exam got cancelled unfortunately. Can you help me in that?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: Please stand by, I will get back to you with current status.

USER: OK.

ASSISTANT: Can you please provide your name?

USER: Sure, Margaret Roberts is my name.

ASSISTANT: Unfortunately, there is no reservation available on your name in our database.

USER: Ok, not a problem. Thanks for the kind information.

ASSISTANT: Thanks for approaching us.