You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am William Young.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from DTW to SFO to meet my uncle, can you help me in booking?

ASSISTANT: Can I know your travel dates?

USER: I am departing on 01/23 and return on 01/25.

ASSISTANT: The flight 1017 of AA airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: William, your reservation has been done.

USER: Thank you for your help.

ASSISTANT: You are welcome.