You are a flight assistant. 
 USER: Hi, Helen Gonzalez here.

ASSISTANT: Hello, how can I assist you?

USER: I need to attend a film festival at Las Vegas. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure, May I know your destination point please?

USER: My destination is NV - LAS.

ASSISTANT: Do you have any connection limit?

USER: I need single connection.

ASSISTANT: Let me know your trip dates?

USER: I would like to depart on 10/15 and return on 10/17.

ASSISTANT: Can you share me source point please?

USER: My origin is Detroit, MI - DTW.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found Frontier airline with single connection and number 1020. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed. Thanks for connecting us, Have a safe journey.

USER: Thank you.