You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to change my journey locations in my previous reservation due to my planned trip got shifted to another location because of low budget. Is it possible to change?

ASSISTANT: Sure, please share me your good name.

USER: Thank you. Myself Rachael Lewis.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Oh! It may not be booked properly due to come technical issues while booking. Anyway, thank you for your time.

ASSISTANT: Thank you for communicating with us.

USER: Most welcome.