You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: Due to heavy rains my college cricket match was postponed, so I need to cancel my recent reservation.

ASSISTANT: Please let me know your name?

USER: Ok, My name is Anna Mitchell.

ASSISTANT: No reservation exists by Anna Mitchell.

USER: No problem.

ASSISTANT: Thanks.

USER: Thanks for the information.