You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Taylor.

ASSISTANT: Jacob Taylor here, how may I aid you?

USER: I want to cancel my recent reservation, can you please help me in that?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.