You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

USER: I want change my recent reservation. Can you please help me out?

ASSISTANT: I am here to help you about that. Can you please provide your name for checking the reservation status with your name in our booking list?

USER: Myself Eric Roberts. I have my flight ticket ticket with that name only.

ASSISTANT: Good to say you Eric Roberts, I have found a reservation with your name. Can you please provide me your modified airport codes of journey?

USER: My new travelling airport codes are Aug 26 and Aug 28.

ASSISTANT: Can you please provide your planned airport codes of journey?

USER: My travelling codes are HOU to IAD.

ASSISTANT: Do you have any other specifications for your journey?

USER: I need economy class ticket.

ASSISTANT: Do you need any connected flight for your journey?

USER: I want single connection flight.

ASSISTANT: As per your requirements, I have found a connecting flight to your region on your planned dates of journey which departures in the morning having a ticket fare of 100 by American airlines. Shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: I have booked your flight ticket with the flight 1001 in an economy class.

USER: Thank you.

ASSISTANT: You are welcome, thank you for reaching our service.