You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, will you mention your name please?

USER: My name is Anna Harris.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, your reservation is successfully cancelled.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a great day.