You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be helpful for you?

USER: Myself William Gonzalez, I want to book a ticket.

ASSISTANT: Sure, can you please provide me the details?

USER: The destination airport code is LAX from IAD.

ASSISTANT: Can I know your travelling dates?

USER: The dates of the travel are 02/04 to 02/06.

ASSISTANT: OK, wait for a minute.

USER: OK.

ASSISTANT: Is there any connection and price limit?

USER: The price limit is 1000 and the maximum number of connections is 1.

ASSISTANT: OK, there is a flight available for you from UA airlines with number 1001.

USER: Please book the ticket.

ASSISTANT: OK, your ticket is booked. Thank you.Have a safe flight.

USER: Thank you for your help.