You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from HOU to DEN, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your travel dates?

USER: I would like to travel on 08/01 to return on 08/03.

ASSISTANT: May I know your name please?

USER: Karen Perez here.

ASSISTANT: Do you have any specifications regarding your journey?

USER: Yes, I need a economy class.

ASSISTANT: Is there any other requirements?

USER: I need a connecting flight.

ASSISTANT: There is a flight with United Airlines and the ticket fare is 200. Would you like me to make the booking now?

USER: Ok, proceed for booking.

ASSISTANT: Karen Perez, your ticket is reserved in economy class with the flight-1020.

USER: Thanks for your information.

ASSISTANT: Thank you very much for contacting our agency.