You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Due to the sudden change in climate, my FIFA tournament got postponed, so please change my existing reservation.

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Sure, Emily Jones here.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Thanks for approaching us.