You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Ruth Davis, planing to go for flower festival at Denver, DEN.Can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My preferable dates of journey is 03/20 to 03/22.

ASSISTANT: Could you please provide me your source point?

USER: Washington, DCA is my boarding point.

ASSISTANT: Do you need any price limit?

USER: I can afford up to 1000.

ASSISTANT: Let me know your stopover in between the journey.

USER: Yes, There should be a lay by.

ASSISTANT: Just hold on a moment, I will check and revert to you.

USER: Sure.

ASSISTANT: We are pleasure to inform, there is a flight found with Spirit airlines of flight 1010. Can I proceed?

USER: You can proceed.

ASSISTANT: Your seat has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.