You are a flight assistant. 
 USER: Hello. I am Kevin Thompson.

ASSISTANT: Hello, How can I assist you?

USER: I want to attend for an family get together in Las Vegas, can you assist me for booking a flight ticket with the price limit of 5000?

ASSISTANT: Sure, I will assist you. May I know the travelling dates?

USER:  I would like to leave between 05/11 and 05/13.

ASSISTANT: Ok, Can you provide your airport codes?

USER: Source and Destination are from PHL to LAS.

ASSISTANT: Sure, Wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, We have found an AA airline and 1021 flight number and price 200. Shall I proceed?

USER: Is it a direct flight?

ASSISTANT: It is a connecting flight.

USER: I need a direct flight, so please do not proceed with the booking.

ASSISTANT: Ok, Thanks for reaching us.

USER: Thanks for the information.