You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I have already made a reservation with direct flight but I need connecting flight. So, can you please change reservation with connecting flight?

ASSISTANT: Sure, we are here to help you. Kindly mention your name to proceed?

USER: Robert Lewis is my name.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, sorry, no reservation found with provided name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for reaching us.