You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: William  Lewis here. I want to attend a Seminar in Houston. Can you please help me for booking the flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are from 05/04 to 05/06.

ASSISTANT: Can I know your preferred airport codes please?

USER: My airport codes are from ORD to IAH.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked, flight number 1025.

USER: Thanks for helping me.

ASSISTANT: Thank you for your information. Thank you for opting us.