You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Jacob Turner here. I was planning to cancel my previous booking due to my health issues. Can you help me?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok, I will be waiting for your response.

ASSISTANT: Jacob Turner, there is no reservation found under your name.

USER: Oh! That's very disappointing to know form your side. Anyways, thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.