You are a flight assistant. 
 USER: Hello. I am Thomas Carter.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my recent reservation, as my exam got cancelled. Please help me in this?

ASSISTANT: Sure, please wait for some time.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.