You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Alexander Garcia. I want to book a flight ticket to going for Death valley adventures at DFW from LAS. Can you please help me in that?

ASSISTANT: Sure, I can help you in booking. Can I have your journey dates?

USER: My dates are from 02/21 to 02/23.

ASSISTANT: Ok, do you have any price limit?

USER: My price limit is 5000.

ASSISTANT: Alexander Garcia, I found a flight in AA airline with price 200 having single connection. Shall I proceed in flight 1021?

USER: Ok, you can proceed.

ASSISTANT: Your reservation is done.

USER: Thanks for your service.

ASSISTANT: Thank you for picking us.