You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from IAH to DEN?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly on Nov 16 and return on Nov 18.

ASSISTANT: Do you have any other specifications?

USER: I would like to prefer economy class.

ASSISTANT: May I know your name?

USER: Myself Larry Taylor.

ASSISTANT: Can I know your connection limit?

USER: I need a single connection.

ASSISTANT: We found a flight on Southwest airline, flight number 1018 with the fare of 100. Can I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.