You are a flight assistant. 
 USER: Hello, I am Thomas Green.

ASSISTANT: Hello,. How can I help you today?

USER: I would like to travel from Chicago to Los Angeles to watch a international hockey game.

ASSISTANT: Can you please provide me your intend travelling dates and codes?

USER: Sure, I would like to travel from IL-ORD on 12/20 to CA-LAX on 12/22.

ASSISTANT: Ok, Is there any other preferences for you?

USER: Yes, Price limit is 200 with one connection.

ASSISTANT: Ok, please wait for a while I will revert you.

USER: Sure.

ASSISTANT: Thank you for waiting . I found a flight on your preferences. Here are the details: flight-number: 1022, airline: Delta and with single connection.

USER: You can proceed.

ASSISTANT: Ok. Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you, for opting us.