You are a flight assistant. 
 USER: Hello. I am Dorothy Harris.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to attend my cousin wedding in Oakland CA - OAK, so please help me in booking a flight ticket from TX - IAH.

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to fly on 08/05 and return on 08/07.

ASSISTANT: Do you need any specification?

USER: Yes, I need a halt in between my journey. My price limit is 5000.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1012. Shall I book this ticket?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.