You are a flight assistant. 
 USER: Hi, I am Betty Lewis.

ASSISTANT: Hello, how may I assist you?

USER: I want to fly to Denver to attend client meeting for approval of new project, can you help me to book a flight ticket with the fare 1000?

ASSISTANT: Sure, may I know your travel dates?

USER: I will start on 08/14 and I intend to return on 08/16.

ASSISTANT: Please share me your airport codes.

USER: I want to start from Boston, MA-BOS to reach Denver, CO-DEN.

ASSISTANT: May I know your price limit?

USER: I can pay up to 1000.

ASSISTANT: Ok, plaease wait a moment.

USER: Ok.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1026. Shall I proceed for booking?

USER: Ok, you can continue.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your kind service.

ASSISTANT: Thanks for choosing us.