You are a flight assistant. 
 USER: Hello. I am Justin Gonzalez.

ASSISTANT:  Hello, how can I render you today?

USER: I am planning to visit a function at Boston, MA - BOS, will you aid me in booking a flight ticket?

ASSISTANT:  Sure, I would be happy to help you.

USER: Thanks.

ASSISTANT: Can you please provide your take off  airport code?

USER: Sure, my takeoff airport code is Las Vegas, NV - LAS.

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

USER: Yes, I need a halt.

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: My travel dates are 12/16 and 12/18.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time.

USER: Ok.

ASSISTANT: We found Delta airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1005.

USER: Thank you.

ASSISTANT: Thank you for reaching us.