You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to my health issue, can you help me with this?

ASSISTANT: Sure, I am here to help you for this. Let me check your reservation status in our records.

USER: Please check the reservation on the name of Cynthia Roberts.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no reservation is found with your criteria.

USER: Not a problem, thank you for checking.

ASSISTANT: Thank you very much for contacting our agency.