You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Rachel Jones here. Please help me out in booking the ticket from LAS to DCA.

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates will be May 12 to May 14.

ASSISTANT: Ok, any other requirements to be met?

USER: I am ok with any of the connections. But make sure that the price limit must below 500.

ASSISTANT: Ok, we found a flight- 1021 of UA airlines with price 100 matches your requested details. Shall I proceed?

USER: Please proceed further.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.