You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to change my reservation?

ASSISTANT: May I know your good name please?

USER: My name is Joseph Clark.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a reservation found with your provided name. Can you please share me your airport codes?

USER: My airport codes are ATL and DEN.

ASSISTANT: When you are planning to make your journey?

USER: Mu travelling dates are 06/14 and 06/16.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: We found a flight with an Southwest airline of flight 1015 in an economy class with single connection. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.