You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you now?

USER: I am Karen Nelson. I am planning to start new business at Las Vegas, help me in booking my flight ticket from Boston MA-BOS.

ASSISTANT: Sure, when do you planned your journey dates?

USER: I would like to start on 08/13, my return date is on 08/15.

ASSISTANT: What is your destination airport code?

USER: My landing airport code is NV-LAS.

ASSISTANT: Do you need any other specifications?

USER: I need a halt in between the journey.

ASSISTANT: Ok, just wait for a minute.

USER: Sure.

ASSISTANT: There is a flight found with UA airline of flight number 1009 an fare is 100.

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thanks for reaching us, have a safe journey.