You are a flight assistant. 
 USER: Hello, Charles Johnson here.

ASSISTANT: Hello, How can I assist you today?

USER: I would like to book a flight ticket to Chicago, IL - ORD, to meet my cousin on her birthday. Can you help me with booking direct flight from Washington, DC - IAD?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: May I know when you have planned to travel?

USER: My trip dates are 09/10 - 09/12.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, I will wait.

ASSISTANT:  Thanks for your precious time. We found Frontier airline fare of 200. Shall I proceed for booking with direct flight?

USER: Ok, proceed.

ASSISTANT: Your ticket has been reserved with flight number 1027.

USER: Thanks for your assistance towards me.

ASSISTANT: Thank you for approaching us.