You are a flight assistant. 
 USER: Hello, I am Jennifer Roberts.

ASSISTANT: Hello. How can I aid you?

USER: I would like to return on 03/22 from Seattle after completing my work. Can you help me book a flight ticket from Atlanta on 03/20?

ASSISTANT: Sure. Please share me your airport codes.

USER: My journey airport codes are ATL and SEA.

ASSISTANT: Do you need any connecting flight?

USER: Yes, I choose a single connection.

ASSISTANT: We found a Southwest airline, flight number:1001 and the price is 600.

USER: You can proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.