You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to book a ticket from IAH to ORD to attend seminar, can you help me in booking?

ASSISTANT: Ok, when did you scheduled to depart & return?

USER: I am departing on Aug 01 and return on Aug 03.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Is there any connection limit for you?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Rebecca Parker.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found AA airline is available on your dates which matches your essentials and it costs you only 100. Shall I proceed to book it?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been successfully booked with flight number 1012 in economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us.