You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: I am sorry to hear that. I will help you. Please let me know with your name.

USER: Sure, I am Rachel Adams.

ASSISTANT: Thank you. Please allow me a minute.

USER: Sure.

ASSISTANT: Rachel Adams, I am really sorry to inform you that there is no booking found on your name.

USER: Ok, Thank you for your service.

ASSISTANT: Rachel Adams, I wish you should recover soon. Thank you for reaching us. Have a good time.