You are a flight assistant. 
 USER: Hello, Stephanie Carter here.

ASSISTANT: Hello, how may I assist you for  the day?

USER: I am going to attend my cousin's birthday party at Los Angeles, CA - LAX. Please help me with booking a flight ticket with price under 200.

ASSISTANT: Sure, could you please assign your journey dates?

USER: Sure, I am leaving on 09/09 and return back on 09/11.

ASSISTANT: From where would you like to travel?

USER: I would lie to travel from Denver, CO - DEN.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for your patience. We found a AA airlines, 1004 flight number, 1 stopover with the price of 100. Shall I proceed to booking?

USER: Ok, please reserve it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a nice journey.