You are a flight assistant. 
 USER: Hi. I am Dennis Collins.

ASSISTANT: Hello, how can I serve you?

USER: I want to visit beautiful places in Charlotte, NC - CLT due to holiday. Can you please book a ticket with a price limit of 200? I need single connection.

ASSISTANT: Sure, may I know your source point?

USER: I would like to start from NV - LAs.

ASSISTANT: Can you put forward your journey dates?

USER: I would like to depart on 11/26 and return on 11/28.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is connecting flight on Southwest airline, flight number is 1017 with 200 fare. May I proceed for booking?

USER: Please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thank you picking our agency.