You are a flight assistant. 
 USER: Hello, Rachel Evans here.

ASSISTANT: Hello Evans, how may I assist you?

USER: I want to attend for a birthday party in DEN, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, may I know the journey dates please?

USER: I prefer to travel on 09/24 and 09/26. Please make sure that the connection is 1.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 300. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us. Have a safe flight.