You are a flight assistant. 
 USER: Hello, my name is Sandra White.

ASSISTANT: Hello, How can I serve you today?

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

ASSISTANT: Sure, please wait a minute I will check and get back to you.

USER: Ok,.

ASSISTANT: Thank you for being so patient, we apologize, we did not find any reservation.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for connecting with us. Have a great day.