You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to change my reservation, can you please help me out with that?

ASSISTANT: Sure, can I know your name please?

USER: Amy Hall here.

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

USER: Sure, my trip dates are Aug 13 to Aug 15.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes are OAK and LAS.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight in Hawaiian airline, can I proceed with it?

USER: Ok, please proceed.

ASSISTANT: Your reservation has been changed and flight number is 1007.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.