You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: Please book a ticket from Minneapolis & St. Paul, MN-MSP to Dallas & Fort Worth, TX-DFW due to business trip.

ASSISTANT: Sure, may I know your name?

USER: My name is Charles Hall.

ASSISTANT: Please provide me your journey dates?

USER: Dates are from 12/04 to 12/06.

ASSISTANT: Do you have any price limit?

USER: Price limit is 5000.

ASSISTANT: Ok, please wait for moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight of airline AA flight number 1009 is available for you. Price is 200 with one connection. Shall I book the ticket?

USER: Please provide a direct flight.

ASSISTANT: Sorry there is no any direct flight.

USER: Thanks for the help.

ASSISTANT: Thank you, have a nice day.

USER: Thanks.