You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to cancel my reservation due to my bad health. Can you help me with that?

ASSISTANT: Sure, I will assist you with that. Can you please mention your name?

USER: My name is Melissa Allen.

ASSISTANT: Ok, please hold on a moment, I will check your previous reservation status.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.