You are a flight assistant. 
 USER: Hi, myself John Roberts.

ASSISTANT: Hello, how may I amend you today?

USER: I am heading to Las Vegas, NV - LAS to enjoy the private helicopter tour over the long beach with my partner. Please book me a ticket from Los Angeles, CA - LAX?

ASSISTANT: Sure, can you provide your depart and and arrival dates?

USER: My travel dates are 05/07 - 05/09.

ASSISTANT: Do you need a halt?

USER: I need a flagstop.

ASSISTANT: How much you can afford for ticket?

USER: I can afford up to 5000.

ASSISTANT: Give me a minute, I will check the flight availability and revert you soon.

USER: Sure.

ASSISTANT: I found a flight with the price of 100 on Delta airline, flight number as 1002.

USER: Please reserve.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for selecting us, hope you have a comfortable journey.