You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Harris.

ASSISTANT: How can I assist you today?

USER: I would like to cancel my recent reservation, due to some health issues. Can you please help me?

ASSISTANT: Sure, I'm here to help you in that. Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Jennifer Harris, there is no active reservation found under your name to do cancellation.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for choosing us, have a great day.