You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: M name is Benjamin Baker, I want to book a direct to spend my holiday at Los Angeles. Can you book a flight on 01/02?

ASSISTANT: Sure, I am here to help you. When will you catch the return flight?

USER: I will return on 01/04.

ASSISTANT: How much you can afford for this journey?

USER: My budget is 500 for flight ticket.

ASSISTANT: Let me know your boarding and landing points.

USER: My source point is TX-DFW and my destination is CA-LAX.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no direct flight available with your given specified dates.

USER: Please proceed with booking.

ASSISTANT: Ok. Your ticket has been confirmed with airline: Southwest, flight number:1014, price 100.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you, have a nice day.