Hello, I am Stephen Baker.
Hello, how may I oblige you today?
I need to change my travelling dates, due to postpone of my business trip. Could you please help me with modifying an existing reservation?
Sure, We are ecstatic to help you. Can you please wait for a moment, I will check with your reservation.
Sure.
We are glad to inform you that, we found  a reservation with your name. Can you please share your journey dates?
Sure, 04/22 and 04/24 are my travelling dates.
Kindly assign your boarding and landing airport codes?
Sure, I need to board from Austin, TX-AUS to Washington, DC-DCA.
Ok, please wait for a while.
Sure.
We found a connected flight with Delta airlines of 1006 flight number and the fare is 100. Shall I proceed to booking?
Sure, please proceed with booking.
Your ticket has been reserved.
Thank you for your service.
Thank you for choosing us. Have a safe journey.