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

ASSISTANT: Hello. Emily Mitchell, what can I do for you?

USER: As my shooting is postponed, Can you please change my reservation?

ASSISTANT: Sure, wait for a while. Thanks for your time.

USER: Ok.

ASSISTANT: We found no reservation with your name.

USER: Thank you.

ASSISTANT: Thank you for choosing us.