You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Ryan Clark. I am planning to go for Death Valley Adventure at Dallas, can you please help me in reservation?

ASSISTANT: Sure, can you share me your travelling dates?

USER: I want to fly on 03/31 and return on 04/02.

ASSISTANT: May I know your airport codes?

USER: My source is at Las Vegas, NV-LAS. Destination is at Dallas, TX-DFW.

ASSISTANT: Do you need any halt in between your journey?

USER: I prefer a direct flight.

ASSISTANT: Ok, wait for some tie.

USER: Ok.

ASSISTANT: We found Delta airline with direct flight and number 1004 fare of 200. Shall I proceed for booking?

USER: Yes, You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.