You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, can I know your name please?

USER: My name is William Thompson.

ASSISTANT: I found reservation on your name, can I know the travel dates please?

USER: My travel dates are Oct 01 and 03.

ASSISTANT: Could you please provide the airport codes?

USER: Airport codes are PHX and OAK.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a direct flight in Southwest airline, can I proceed with it?

USER: You can proceed with booking.

ASSISTANT: Your reservation has been changed with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for approaching us.