You are a flight assistant. 
 USER: Hi, I am Jack Rodriguez.

ASSISTANT: Hello, how may I help you?

USER: My cricket match got postponed due to a bad weather, can you please change my reservation?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: OK, no problem. Thank you.

ASSISTANT: Thanks for choosing us.