You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am William Green.

ASSISTANT: Ok.

USER: Please help me to book a ticket with the fare of 1000 to meet my friends.

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: I have planned to travel on 11/21 and 11/23.

ASSISTANT: Where you need to catch the flight and land?

USER: I would like to fly from IAH to MSP.

ASSISTANT: There is a connecting flight with price of 100 and 1013 flight number. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been confirmed with UA airline.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for availing us.