You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I wish to cancel my recent reservation due to sudden health problem.

ASSISTANT: Sure, I will help you with this cancellation. Please let me know your name to cancel your reservation?

USER: I am Justin Garcia.

ASSISTANT: There were no reservation found with given name in the database.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for connecting us, have a good day.