You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to heavy rains in Minneapolis, cricket match has postponed. I need your help in changing my existing reservation.

ASSISTANT: Sure, may I know your name?

USER: My name is Jerry Young.

ASSISTANT: There is no reservation found for you, Jerry.

USER: That's ok. Thank you for your quick response.

ASSISTANT: My pleasure.