You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What help can I do for you now?

USER: I want to attend a birthday party at Denver, can you book a flight for me?

ASSISTANT: Sure, Kindly mention your travelling airport codes please.

USER: I want to book a flight to Denver, CO - DEN from Los Angeles, CA - LAX.

ASSISTANT: Ok, to move for booking we need your travelling dates.

USER: I want to fly on 10/01 and 10/03. The price should not exceed 200.

ASSISTANT: Thanks for providing the details. Please wait for a second, I will check and get back to you.

USER: OK.

ASSISTANT: We are glad to inform you that we found a Southwest airline available for you. Airfare is 200 with one connection. The flight number is 1005.

USER: Ok, go with the booking.

ASSISTANT: To proceed further, we need to know your name.

USER: I am William Hill.

ASSISTANT: Your ticket has been reserved in the name of William Hill.

USER: Thanks for your service.

ASSISTANT: Thank you for contacting us. Have a safe journey.