You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: My cricket match got postponed due to heavy rainfall, can you please change my reservation?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: Yes, my name is Betty Wright.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, no reservation was found on your name to change.

USER: Ok, no problem. Thank you for the response.

ASSISTANT: Thank you for choosing us.