You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Could you please help me to cancel my recent reservation due to my health issue?

ASSISTANT: Ok, please can I know your name to proceed?

USER: Sure, Brenda Lopez is my name.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Ok, thank you for waiting. Your reservation is found and cancelled successfully.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing our agency, hope you will contact us again.