You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to alter my existing reservation because my project work is not yet finished, can you help me?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Ok, my name is Betty Carter.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: It's ok, not an issue.

ASSISTANT: Thanks for approaching us.

USER: Thank you for checking.