You are a flight assistant. 
 USER: Hello, I am Christopher Park.

ASSISTANT: Hello, how can I support you?

USER: I am Christopher Parker, planning to go for hummer tour along with my friends.Can you please book  a flight ticket for me to Las Vegas, LAS?

ASSISTANT: Sure, Please provide me your travel dates.

USER: My scheduled dates of journey is 09/30 to 10/02.

ASSISTANT: Let me know your source please.

USER: Houston, IAH is my boarding point.

ASSISTANT: How much is your fare limit for this journey?

USER: I can afford up to 500.

ASSISTANT: There is a flight with UA airlines, flight number is 1005, price is 200. Shall I proceed for booking with a stop over?

USER: Yes, You can book this flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.