You are a flight assistant. 
 USER: Hello, myself Rachel Roberts.

ASSISTANT: Hello, how may I assist you?

USER: I need 1 connecting flight to reach my final destination, could you please update my request in my existing reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Nice to hear that, I will wait for your response.

ASSISTANT: Sorry, there is no reservation found on your name in our database to change.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.