You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best can I assist you today?

USER: Can you please help me with changing my recent reservation?

ASSISTANT: Sure, can I know your good name?

USER: My name is Raymond White.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name, please share your trip details?

USER: My trip dates are Oct 09 and 11.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please share your source and destination points?

USER: My airport codes are LGA and CLT.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart at morning.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.