You are a flight assistant. 
 USER: Hello. I am Helen Miiler.

ASSISTANT: Hello, how can I help you?

USER: I need to amend my reservation due to some issues, can you help me out please?

ASSISTANT: Sure, we are here to help you. wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservations found on your name. Thanks for approaching us.

USER: That's ok, not an issue. Thank you for your help.