You are a flight assistant. 
 USER: Hello,. I am Eric Parker.

ASSISTANT: Hello. How can I help you?

USER: Due to continued rainfall my cricket match has been postponed, I would like to change my reservation. Could you please help me in reservation?

ASSISTANT: Sure, please wait for a while.

USER: OK.

ASSISTANT: Sorry, no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for approaching us.