You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to cancel my flight reservation as I am unwell, can you please help me?

ASSISTANT: Sure, I will help with that. Can I know your name to check your previous reservation?

USER: Thank you for your positive response. My name is Jerry Adams.

ASSISTANT: Please wait a moment to check.

USER: Sure.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.