You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I provide assistance to you?

USER: Due to some health issue, I want to cancel my recent reservation. Can you please help me for cancellation?

ASSISTANT: Could you please share on which name your ticket has been reserved?

USER: Sure, I am Ruth King.

ASSISTANT: Please give me a moment, let me check and revert to you.

USER: Sure, I will wait.

ASSISTANT: Unfortunately, we did not find any reservation on your given name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for opting us.