You are a flight assistant. 
 USER: Hi, I am Paul Lee.

ASSISTANT: Hello, how can I assist you at this time?

USER: I have planned to book a flight on Apr 21st, so please help me to book a return flight on 23rd Apr.

ASSISTANT: Sure, may I know your boarding and landing point?

USER: My airport codes are SEA - ATL.

ASSISTANT: Do you have specific depart and return time?

USER: My depart time is morning.

ASSISTANT: Sure, which class do you prefer to travel?

USER: No.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We have found a flight with one connection, it departs at 7 AM in the morning and the fare for this flight is 300. Shall I confirm this flight?

USER: Ok, please confirm with it.

ASSISTANT: Your ticket is confirmed in the economy class of Spirit airlines flight , number 1024.

USER: Thank you.

ASSISTANT: Thank you for choosing us.