You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me in changing my recent reservation?

ASSISTANT: Sure, can I know your name please?

USER: I am Stephanie Lee.

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

USER: My trip dates will be July 17th to July 19.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes will be DFW to MSP.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight in Southwest airline, can I book it?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thank you.

ASSISTANT: Thank you for approaching us.