You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Benjamin Lee here. I want to book a ticket from DEN to ORD.

ASSISTANT: Can you provide your travel dates?

USER: My travelling dates are from 05/22 to 05/24. Make sure that price limit should be 200.

ASSISTANT: With your details, I got a flight with flight number 1014. Can I proceed?

USER: Yes proceed.

ASSISTANT: Your ticket was confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome.