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

ASSISTANT: Hello, how may I assist you?

USER: As my schedule of attending an press meet got cancelled, can you please help me in changing my reservation?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.