You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how exactly can I aid you now?

USER: Please book a ticket from Detroit, MI-DTW to Orlando, FL-MCO, for holiday vacation.

ASSISTANT: Ok. For booking a ticket, may I know your name please?

USER: My name is Lisa Collins.

ASSISTANT: Help me with your starting date of journey?

USER: Departure date is 12/24.

ASSISTANT: Have any specifications?

USER: Price limit: 5000. Connections limit: 1.

ASSISTANT: What is your return date?

USER: Return date is 12/26.

ASSISTANT: AA airline of price 100 with 1 connection in 1016 flight is available for you. Is it comfortable to you?

USER: Please book a ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for consulting us.