You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Donald Lopez. I have a business meeting in Houston. Can you help me for booking?

ASSISTANT: Sure, I will help you in booking.  Can you please share your travel dates?

USER: My travelling dates are from 05/23 till 05/25.

ASSISTANT: May I know your airport codes?

USER: My travelling airport codes are from ORD to IAH.

ASSISTANT: Please wait a moment. UA airlines are providing service on your route with 1 connection and fare is 100. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1003.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.