You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Barbara Hill.

ASSISTANT: How can I aid you today?

USER: My exam got cancelled due to which I would like to cancel my reservation. Can you help me?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Hill, there is no reservation found under your name to do cancellation.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you so much for choosing us.