You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Pamela Phillips here. I am looking for a flight ticket with morning as the depart time. So can you book it for me?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: The airport codes are from IAD to AUS.

ASSISTANT: Can you please share your planned travel dates?

USER: Yes, the travel dates are from 26 Dec to 28 Dec.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a single connecting flight.

ASSISTANT: Ok, we found a direct flight, flight number: 1020, airline: Delta, price: 200.

USER: I am happy with the airline. You can book it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you, have a good day.