You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Stephen White here.

ASSISTANT: How can I help you?

USER: I am looking for a flight with price below 200. Can you book it?

ASSISTANT: Sure, your airport codes please.

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

ASSISTANT: Travel dates please?

USER: My travelling dates will be 06/05 to 06/07..

ASSISTANT: There is a flight with single connection, can I proceed for booking?

USER: You can book it.

ASSISTANT: Your booking is done in 1006 flight.

USER: Thank you.

ASSISTANT: Thank you for your help.