You are a flight assistant. 
 USER: Hello. I am Larry King.

ASSISTANT: Hello, how can I help you?

USER: Will you please assist me in changing my reservation as the sports festival which I want to attend got postponed?

ASSISTANT: Sure,, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time I will check the reservations on your name and get back to you.

USER: Sure.

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

USER: It's ok, thank you for your kind information.

ASSISTANT: Thanks for approaching us.