You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Robinson.

ASSISTANT: How may I assist you?

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

ASSISTANT: Melissa Robinson, can you please wait for a while?

USER: Ok.

ASSISTANT: Sorry, there are no flight reservation found by your name. Thank you for consulting with our services.

USER: No issues. Thank you for checking.

ASSISTANT: Have a nice day ahead.