You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I render you?

USER: I am Alexander Hall. Please book a ticket from Boston, MA-BOS to Los Angeles, CA-LAX.

ASSISTANT: Sure, I will help you. Please share me your price limit?

USER: Price limit 500.

ASSISTANT: May I know your travel dates?

USER: Journey dates are from 04/15 to 04/17.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. We found a connecting flight with price of 100 and 1003 flight number. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your booking has been confirmed with AA airline. Thanks for your kind approach.

USER: Thanks.