You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend by cousin's marriage in LAS, could you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your origin airport code?

USER: I am Andrew Barker from San Francisco, CA - SFO.

ASSISTANT: Can you please provide me your preferable dates?

USER: My travel dates are 07/12 and 07/14.

ASSISTANT: As per your request there is a flight available from Frontier airlines with number 1011. Would you like me to book the ticket?

USER: You can book.

ASSISTANT: Happy to inform you that your ticket is booked successfully.

USER: Thank you.

ASSISTANT: May I know your name for documentation purpose?

USER: I already mentioned my name above conversation, please check once. Thanks for your valuable information.

ASSISTANT: Thank your for reaching us.