You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, I will help you.

USER: Thank you for your kind response.

ASSISTANT: Sorry Thomas, there is no reservation found under your name in our database.

USER: That's fine, thank you for searching the details.

ASSISTANT: Thank you for contacting with our agency.