You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Actually, I want to cancel my reservation due to some problems, can you please help me?

ASSISTANT: Yes, can I know your name?

USER: Sure, my name is Jennifer Baker.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.