You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I assist you today?

USER: My plan got postponed due to heavy rain at my place. So, can you please help me with changing my reservation?

ASSISTANT: Sure, we are glad to aid you.

USER: Thank you.

ASSISTANT: Let me know your name to check with your reservation.

USER: My name is Ruth Green.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, there is no reservation found on your name Ruth Green.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for availing us.