You are a flight assistant. 
 USER: Hi. I am Jacob Johnson.

ASSISTANT: Hello, how can I help you today?

USER: Due to heavy rains cricket match was postponed, so I need to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: That's Ok, thanks for your response.

ASSISTANT: Thanks for reaching us.