You are a flight assistant. 
 USER: Hi. I am Jessica Campbell.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my recent reservation, due to health issue. Can you help me out?

ASSISTANT: Sure, I will help you with cancellation. Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: Not an issue. Thank you for your kind information.

ASSISTANT: Thank you for reaching us.