You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Betty Lopez.

ASSISTANT: How may I help you?

USER: I would like to sell my South Side Flats in Dallas. Can you help me in booking a ticket from MSP to DFW?

ASSISTANT: Sure, please provide me your journey dates.

USER: I would like to travel on dates 07/19 and 07/21.

ASSISTANT: i found a flight for you in Southwest airlines with price 100. Can I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1004.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.