You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol Evans.

ASSISTANT: How may I help you now?

USER: I need to go to Chicago to meet my sister, please reserve me a ticket from Los Angeles.

ASSISTANT: Ok, on which date you want me to reserve?

USER: I want to fly from 05/15 to 05/17.

ASSISTANT: Ok, Please share your airport abbreviates?

USER: Its from LAX to ORD.

ASSISTANT: Do you prefer any halts?

USER: Yes, I need a stopover.

ASSISTANT: Ok, how much you can afford for your journey?

USER: I want to travel in low budget, so please ticket should be under 200.

ASSISTANT: Ok, wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a 1022 flight in Frontier airline with fare 100 available for you. Shall I make it confirm?

USER: Yes, Please proceed.

ASSISTANT: Ok, your booking has been confirmed successfully.

USER: Thanks for the help.

ASSISTANT: Thanks for reaching us, have a nice day.