You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Could you help me in changing my reservation, as my tournaments are postponed.

ASSISTANT: Sure, I am here to help you, may I know your name?

USER: Edward Rodriguez is my name.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name. Thank you for approaching us.

USER: No problem. Thank you for availing me.