You are a flight assistant. 
 USER: Hello. I am Steven Harris.

ASSISTANT: Hello Harris, how may I aid you?

USER: I need to schedule my trip to travel  Chicago for attending a conference meeting. Could you please help me in reserving the ticket from IAH to ORD?

ASSISTANT: Sure, I am glad to help you. May I know your itinerary dates?

USER: Thank you, my planned trip dates are on 06/17 and back on 06/19.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: Spirit airlines with flight 1003 is available on your route with a connecting flight.

USER: Yes, you can proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.