You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Robert Thompson.

ASSISTANT: What can I do for you at this moment?

USER: I want to book a flight ticket to attend  Innovation festivals at Las Vegas.

ASSISTANT: Ok.

USER: Please help me.

ASSISTANT: Sure, I will help you. Kindly mention your airport codes.

USER: I want to fly from BOS to LAS.

ASSISTANT: Shall I have your journey dates?

USER: My travelling dates are from 08/01 to 08/03.

ASSISTANT: Help me with your specifications.

USER: I need the ticket within price 1000.

ASSISTANT: Thanks for your time. There is a flight with 1 connection of price 100 in Spirit airline.

USER: Please go with booking.

ASSISTANT: Your ticket was reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.