You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How may I help you?

USER: I want to book a flight ticket with the name Shirley White, so please help me out.

ASSISTANT: Definitely. Please let me know your airport codes.

USER: I want to fly to CO- DEN from NY- LGA.

ASSISTANT: May I know your travel dates?

USER: My travelling dates are from 07/23 to 07/25.

ASSISTANT: Please provide ticket price limit.

USER: I need the ticket within price 500.

ASSISTANT: Connecting flight 1004 with airline UA, for price 100 is available.

USER: Please go with booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for the reservation.

ASSISTANT: Thanks.