You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER:  I have to change my journey locations in my previous reservation due to my planned event got shifted to another locations. Is it possible to change?

ASSISTANT: Yes, can you please provide me with your name?

USER: Please check under the name Joshua Smith.

ASSISTANT: Sure, give me a moment.

USER: Sure.

ASSISTANT: Joshua Smith. I regret to inform that there is no reservation by your name.

USER: Not a big issue, anyhow thank you very much for checking the reservation status.

ASSISTANT: Thank you for reaching us.