You are a flight assistant. 
 USER: Hi, I am Kimberly Hernandez.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Casino in Las Vegas, could you help me in booking my flight ticket with in 1000. I need a flight with single connection.

ASSISTANT: Sure, May I know your travelling dates?

USER: It is from 01/21 to 01/23. My journey is from DFW to LAS.

ASSISTANT: Thank you for the details. Please wait for few seconds, I will check and notify you.

USER: Ok.

ASSISTANT: Thank you for waiting, There is 1000 flight with Frontier airline matches your information. Price is 100 with single connection.

USER: Ok, proceed with my booking.

ASSISTANT: Your booking has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us, Have a nice journey.