You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am George Harris. As my holiday trip has been postponed, I need to change my reservation. Can you please help me?

ASSISTANT: We found your reservation, can you share your journey dates?

USER: Journey dates are 08/03 to 08/05.

ASSISTANT: May I know your flying and landing airport codes?

USER: Source code is Washington, DCA and landing point is Seattle, SEA.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1001 in airline Frontier, the fare is 100.

USER: You can proceed.

ASSISTANT: Can I book it? Your ticket is reserved, have a safe trip.

USER: Thank you.

ASSISTANT: Thank you for reaching us.