You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Joshua Carter.

ASSISTANT: How can I help you today?

USER: I have a plan to meet my friend in Atlanta, can you help me for booking a flight ticket?

ASSISTANT: Sure, can you please help me with your travel dates?

USER: My travelling dates are from 11/30 till 12/02.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from ORD to ATL.

ASSISTANT: Flight 1021 in Delta airlines is available for you with 1 connection. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.