You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Robert Young, can you help me to book a flight from LAX to DEN?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I am planning to travel on May 25 and 27.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please mention your budget for flight ticket?

USER: It is 5000.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1005 of airline UA, class is economy and fare is 100. Shall I proceed with booking?

USER: Proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.