You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please reserve me a flight ticket from DEN to IAH.

ASSISTANT: Sure, please share your journey dates?

USER: My travel dates are Aug 16 and Aug 18.

ASSISTANT: Do you have any specifications?

USER: I prefer connecting flight on this route.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Katherine Scott.

ASSISTANT: We found a flight in United airlines, flight number is 1022 with single connection and price is 100 economy class. Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.