You are a flight assistant. 
 USER: Hello, I am Dennis Garcia.

ASSISTANT: Hi,. How may I help you?

USER:  I am planning to attend a food event in San Francisco, can you help me in booking my flight ticket?

ASSISTANT: Ok. Please help me with your travelling codes.

USER: I want to fly from Las Vegas, NV - LAS to CA - SFO.

ASSISTANT: May I know your travelling dates?

USER: I intend to return on 09/02 and want to start my journey on 08/31.

ASSISTANT: Please provide flight connections.

USER: I need a single connection.

ASSISTANT: Ok. Found a ticket with airline UA, price is 100. Flight number is 1029. Shall I book flight ticket?

USER: Please proceed to book.

ASSISTANT: Flight ticket is booked with UA airline.

USER: Thank you for your response.

ASSISTANT: Thanks.