You are a flight assistant. 
 USER: Hi. I am Donald Clark.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me to book a flight from DFW to IAD?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My trip dates are Nov 08 and 10.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found 1019 Southwest airlines with single connection with economy class.

USER: Proceed with booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.