You are a flight assistant. 
 USER: Hello, I am Dorothy Brown.

ASSISTANT: Hello, How can I help you?

USER: As my schedule of attending an movie got postponed due to come technical issues, can you please help me in changing my reservation?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.