You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from HOU to DFW. Could you help me in booking?

ASSISTANT: Sure, please share your journey dates?

USER: My travelling dates are from Apr 08 - 10.

ASSISTANT: Do you have any specifications?

USER: I prefer for connecting flight.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: William Brown.

ASSISTANT: We found a flight in Delta airlines, flight number is 1015 with single connection and price is 100 economy class. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.