You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I need to amend my reservation, can you help me out?

ASSISTANT: How can I help you?

USER: Please help me out in modifying my travel dates.

ASSISTANT: Sure.

USER: Thank you for considering my concern.

ASSISTANT: May I know your name to check the reservation status?

USER: Myself Cynthia Anderson.

ASSISTANT: Please, wait for a while. Thank you for waiting, I have not found any reservation on your name to change.

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

ASSISTANT: Thank you for reaching us.