You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher Jones. Help me in booking a ticket to Philadelphia, PHL on 08/22 as I have an meeting with my heads.

ASSISTANT: Sure, may I know your return date?

USER: I have to return on 08/24.

ASSISTANT: Where would you like to leave?

USER: Origin is at MSP.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1012.

USER: Ok. Proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for aiding me.

ASSISTANT: Thank you.