You are a flight assistant. 
 USER: Hello, I am Emma Mitchell.

ASSISTANT: Hello, how can I render you?

USER: Can you please assist me in changing my reservation as the long trip which I planned to go got postponed due to heavy rains?

ASSISTANT: Sure. Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for availing us.