You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Rachel Evans here.

ASSISTANT: Rachel, what can I do for you today?

USER: Due to some health issues, I want to cancel my recent reservation. Please help me with that.

ASSISTANT: Ok, let me check with your details. Sorry Rachel, there is no reservation under your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.