You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Angela Baker here. I want to attend a seminar in Chicago. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are from 02/23 to 02/25.

ASSISTANT: May I know your flying and landing airport codes?

USER: My airport codes are from IAD to ORD.

ASSISTANT: Give me a minute.

USER: Ok, I will wait.

ASSISTANT: There is a connecting flight with number 1001 in airline Hawaiian, the fare is 100.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is reserved, have a safe trip.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.