You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Edward Thompson.

ASSISTANT: How can I serve you today?

USER: My business meeting has been postponed. So, I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.