You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Thomas Green and I want to book a flight ticket.

ASSISTANT: Ok, may I please know your journey details?

USER: I suppose to travel on 12/20 to 12/22 and the range should be 200.

ASSISTANT: Ok. What are the airport codes?

USER: My airport codes are from GA-ATL to IL-ORD with 1 connection.

ASSISTANT: Ok. I am glad that a flight has matched your credentials. Details are as follows: airline- Frontier, number- 1025, connection- 1, price- 100. Shall I proceed?

USER: Sure, you can proceed with this airline.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for connecting with us. Have a safe journey.