You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Please share your name to proceed for booking?

USER: Kenneth Hernandez here.

ASSISTANT: I found your reservation please share your travel specifications?

USER: My travel dates are June 11 and 13.

ASSISTANT: May I know your nearest airport codes?

USER: My airport codes are IAH and LGA.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: Spirit Airlines is providing the connecting flight on this route and the fare of 100.

USER: Please make it confirm.

ASSISTANT: Your reservation is confirmed for the flight 1002.

USER: Thanks for your kind service.

ASSISTANT: Thank you for choosing us.