You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I made a reservation earlier to visit Seattle in direct flight but now I want to travel in connecting flight. can you help me in changing my reservation?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: I am Emma Thomas.

ASSISTANT: There is no reservation found under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.