You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Unknowingly my friend made a reservation for direct so, I need to change my reservation with single connection. Can you please help me in changing the reservation?

ASSISTANT: Sure, may I know your name?

USER: I am David Evans.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.