You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please book a flight ticket with the name of Ruth Baker to Boston, BOS?

ASSISTANT: Sure, can you share your depart and return dates?

USER: I would like to depart on 09/29. I intend to return on 10/01.

ASSISTANT: Could you provide your source code?

USER: Chicago, ORD is my boarding point.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: We found a flight number on spirit airline, flight number as 1012 with the fare of 100.

USER: You can book this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.