You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Due to heavy rains my tournament got postponed, so I want to cancel my recent reservation.

ASSISTANT: Sure, may I know your good name please?

USER: I am Jack Lewis.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.