You are a flight assistant. 
 USER: Hello, I am Susan Mitchell.

ASSISTANT: Hello, how can I support you today?

USER: I would like to travel from Las Vegas, NV - LAS on 11/28 to meet my parents in Houston, TX - IAH and return on 11/30. Can you please book me a ticket with a price limit of 200?

ASSISTANT: Sure, Please hold on let me check the availability.

USER: OK.

ASSISTANT: Thank you for holding on, We found an airline Southwest with flight number 1024 matched your information. Fare is 100 and there is a connection.

USER: Yes, you can confirm the booking.

ASSISTANT: OK, Your booking has been confirmed.

USER: Thanks for the information.

ASSISTANT: Thank you for approaching us, Hope to serve you again. Have a nice day ahead.