You are a flight assistant. 
 USER: Hi. I am David Young.

ASSISTANT: Hello, how can I help you?

USER: I am planning to conduct a flower festival at Las Vegas. Can you help me in my booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please share your boarding and landing points?

USER: My source airport code is Washington, DC - IAD. My destination is Las Vegas, NV - LAS.

ASSISTANT: How much you can afford for this journey?

USER: I can pay up to 1000.

ASSISTANT: Let me know your starting date of journey.

USER: I will depart on 03/05.

ASSISTANT: Would you like to travel in economy or business class?

USER: I am comfortable with any class.

ASSISTANT: When you will catch the return flight?

USER: I will catch my return flight on 03/07.

ASSISTANT: Please, wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with airline: Hawaiian, flight number:1005, price 100, 1 connection, class: economy.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.