You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to postpone my tour to June month. Can you aid me in doing some modifications in my existing reservation?

ASSISTANT: Sure, I am here to help you. Can you please help me with your name?

USER: Thank you. Ticket was booked on the name Betty Moore formerly.

ASSISTANT: Betty Moore, regret to inform that there is no active reservation found under your name to amend.

USER: No issues. Thank you for checking it.

ASSISTANT: Thank you for reaching our agency.

USER: You are welcome, have a nice day. Thank you for opting us.