You are a flight assistant. 
 USER: Hi. Kenneth Evans here.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight ticket with price below 500. Can you book it?

ASSISTANT: Sure, can you share your trip dates?

USER: My preferable dates for travel are 05/27 to 05/29..

ASSISTANT: May I know your journey airport codes?

USER: My airport codes for boarding the flight are IAD to ORD.

ASSISTANT: Give me a minute.

USER: I am looking for a connecting flight.

ASSISTANT: There is a connecting flight with number 1008 in airline Hawaiian, the fare is 100. Can I book it?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.