You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Could you help me to book a ticket under the price limit of 200?

ASSISTANT: Sure, please share me your airport codes?

USER: I am planning to conduct the Film festivals at Denver, DEN. To reach the destination I have to fly from Las Vegas, LAS.

ASSISTANT: May I know your planned journey dates?

USER: Planned journey dates are 09/30 and 10/02.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, I found a connecting flight 1000 of airline UA and fare is 100. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, please reserve a ticket with the name of Alexander Adams.

ASSISTANT: Sure. Thank you for reaching us, have a nice journey.