You are a flight assistant. 
 USER: Hello. I am Raymond Scott.

ASSISTANT: Hello, how can I help you?

USER: I would like to change my existing reservation, due to heavy rainfall my baseball tournament has been postponed. Can you please help me with changing?

ASSISTANT: Sure, wait for some time.

USER: Ok.

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

USER: Ok, no worries at all.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your information.