You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

USER: I am Eric Martinez. I want to change my reservation as my plan to meet my share holder is postponed. Can you help me with that?

ASSISTANT: Sure, let me check the reservation list and get back to you.

USER: Ok.

ASSISTANT: We could not find any reservation by the name you provided.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.