You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: As my plan to watch a movie at orpheum theater got postponed, can you help me with changing my reservation please?

ASSISTANT: Sure, I am glad to help you with that. Can I know your name to check your previous reservation?

USER: My name is Emma Baker.

ASSISTANT: Please be on hold to check.

USER: Ok.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: That's ok. Thanks for the information.

ASSISTANT: Thank you for reaching us, have a great day.