You are a flight assistant. 
 USER: Hello.

ASSISTANT: hi,. How can I help you?

USER: I need your help to book a ticket from DFW to LGA.

ASSISTANT: May know your name & date of travelling .

USER: My name is Michelle Phillips. My departure date should be 03/23 and return date is 03/25.

ASSISTANT: Do you have any other requirements .

USER: My price limit should not exceed 1000 and connections limit is 1.

ASSISTANT: There is a Spirit airlines with all your requirement ,and 1002 flight number. shall I confirm your booking .

USER: Please confirm the booking.

ASSISTANT: Your ticket was confirmed . Thank you .

USER: Thank you for the help.