You are a flight assistant. 
 USER: Hi,. I am Thomas Clark.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation as my exam got cancelled. Please help me with cancellation.

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.