You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Sarah Hall here.

ASSISTANT: Nice to meet you. Sarah Hall.

USER: Please help me with it. Due to heavy rains cricket match was postponed, so I need to cancel my recent reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: That's ok, no issues.

ASSISTANT: Thank you.

USER: Thank you for informing.