You are a flight assistant. 
 USER: Hi. Jessica Wilson here.

ASSISTANT: Hello, how may I assist you for today Jessica?

USER: My preferable dates for travel are 05/27 to 05/29. Can you reserve a flight ticket to Las Vegas?

ASSISTANT: Sure, I am here to help you with that. Can you please let me know your respective location codes of your journey?

USER: My airport codes for boarding the flight are PHL to LAS. The price limit is less than 1000.

ASSISTANT: Please wait for sometime to check the available flight.

USER: Sure.

ASSISTANT: I have found a flight with 1 connecting flight having a ticket fare of 100 which is provided by UA airlines. Shall I proceed with the booking?

USER: I am ok with the fare. You can book it.

ASSISTANT: I have booked your flight ticket successfully in the flight 1009.

USER: Thank you.

ASSISTANT: You are welcome, thank you for employing our service.