You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jacob Campbell.

ASSISTANT: How can I aid you at this moment?

USER: Can you help me to cancel my reservation?

ASSISTANT: Yes, I can help you.

USER: Ok.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I could not found any previous booking on the name which you have provided. Thank you for communicating with us.

USER: That is fine. Thank you.

ASSISTANT: You are welcome.