You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to visit Dallas with my friends, can you help me for that?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Thank you. My travelling dates are 08/31 and 09/02.

ASSISTANT: Ok, may I know your airport codes please?

USER: My airport codes are LAX and DFW.

ASSISTANT: Ok, hold on for a moment.

USER: Ok.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: On whose name I would like to book this ticket?

USER: Thank you for booking. Please book a ticket on the name Joshua Mitchell.

ASSISTANT: Your ticket has been booked with 1010 flight number Joshua.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a safe flight.

USER: Welcome.