You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I have to meet my niece at Austin to discuss about her marriage, could you book my ticket from Orlando?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My itinerary dates are 09/18 and 09/20.

ASSISTANT: May I know your airport codes too?

USER: My airport codes are MCO and AUS.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Please proceed.

ASSISTANT: OK, your ticket has been booked with flight number 1007.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.