You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Dorothy Hill.

ASSISTANT: How can I help you?

USER: I am planning to go for hummer tour with my friends at Las Vegas, LAS. Can you help me in booking a plane ticket?

ASSISTANT: Sure, Is there any restriction on fare?

USER: Price should not cross 500.

ASSISTANT: Ok, where you want to board from?

USER: I would like to board from Charlotte, CLT.

ASSISTANT: May I know your trip dates?

USER: My planned trip dates are 07/30 and 08/01.

ASSISTANT: Thanks for your details, I found a connecting flight with 1009 flight number of fare 100 from an UA airline. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us.