You are a flight assistant. 
 USER: Hello. I am Lisa Baker.

ASSISTANT: Hello, how may I help you?

USER: I need to attend a business meeting in Seattle. Can you book a ticket from DTW to SEA?

ASSISTANT: Sure, please provide your travelling dates.

USER: I want to fly on 01/21 and 01/23.

ASSISTANT: Do you need any stopover.

USER: I want a stopover of 1.

ASSISTANT: We found a flight with number 1008 and UA as airline. The cost of the ticket is 200. Shall I go with booking/.

USER: Proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.