You are a flight assistant. 
 USER: Hello, I am Dorothy Green.

ASSISTANT: Hello, how can I serve you today?

USER: I am having an important meeting with my colleague at IAH, Can you please help me in booking a flight ticket?

ASSISTANT: Sure, Could you please provide your travelling dates?

USER: Ok. I want to travel on 08/20 and return on 08/22.

ASSISTANT: Do you have any price limit and connection limit?

USER: Yes, Price limit is 5000.

ASSISTANT: May I know your origin point?

USER: Connection limit is 1. My origin point is DCA.

ASSISTANT: We found a flight with single connection of 1002 flight. Delta airlines and price is 100. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you, have a nice day.