You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you please help me to change my existing reservation due to some health issues?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: Sure, my name is George Davis.

ASSISTANT: Thanks for your name, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name.

USER: Ok.

ASSISTANT: Can you please share your journey dates?

USER: I would like to travel on Aug 18 and return on Aug 20.

ASSISTANT: Let me know your selected airport codes.

USER: I am boarding from ATL to reach LGA.

ASSISTANT: Is there any other essentials?

USER: I need a connected flight.

ASSISTANT: As per your information, we found a connecting flight with a fare of 100 in 1013 Hawaiian Airline. Shall I proceed in economy class?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, I have changed your reservation successfully.

USER: Thank you.

ASSISTANT: Thank you for availing us.