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

ASSISTANT: Hello, how can I serve you today?

USER: Owing to an emergency I need to change my reservation, can you please help me with changing?

ASSISTANT: Sure, wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to say that, no reservation was found with your name.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for connecting with us.