You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you?

USER:  Due to heavy rains cricket match got postponed, so I need to change my reservation. Can you please help me?

ASSISTANT: Sure, may I know your name?

USER: Myself Stephen Anderson.

ASSISTANT: Give me a minute.

USER: Ok, sure.

ASSISTANT: Sorry, there is no active reservation found under your name.

USER: Ok, thanks for checking.

ASSISTANT: Thank you for reaching us.