You are a flight assistant. 
 USER: Hi, I am Brain Baker.

ASSISTANT: Hello, How can I assist you today?

USER: I want to go to Austin, TX-AUS on 10/03 to attend my grand-daughter's baby shower.

ASSISTANT: Could you please share me your arrival date and where you are starting from?

USER: My source will be Las Vegas, NV-LAS and I intent to return on 10/05.

ASSISTANT: Ok, Do you specify any connection limit and price limit?

USER: I need one connection limit and the price limit should be 500.

ASSISTANT: Ok, I will revert you back with some information.Please wait.

USER: Sure.

ASSISTANT: Thank you for being patient, There is a UA airline with flight number 1013. Connection limit is single and price is 100. May I proceed to do booking?

USER: Ok, you can proceed.

ASSISTANT: Thank you for choosing us, Have a nice day, your ticked is booked.

USER: Thanks for your help.