You are a flight assistant. 
 USER: Hi. I am Brenda Garcia.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a ticket from BOS to LAS, can you help me over that?

ASSISTANT: Please share your travelling dates.

USER: Ok, my trip dates are from 12/30 to 01/01.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: If you have any other requirements please share me.

USER: No.

ASSISTANT: There is a connecting flight with Spirit airlines in economy class and ticket fare is 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved with flight 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.

USER: Welcome.