You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I need to change my details in my previous reservation so please help me with that.

ASSISTANT: Ok, may I know your name?

USER: Sure, myself Steven Collins.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation found on your name to change.

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

ASSISTANT: Thank you for reaching us.