You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Lopez.

ASSISTANT: How can I help you today?

USER: I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: Sure, I would like to take off on 05/29 and return on 05/31.

ASSISTANT: Please hold on for a moment to check the flight availability on your route.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 100.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked with flight number 1002 and airline is UA.

USER: I appreciate your help, thank you.

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

USER: You are welcome.