You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help do you need from our agency?

USER: Can you please book a flight ticket from DEN to IAH?

ASSISTANT: Sure, I am here to help you. May I know your travel dates?

USER: Thank you. I have planned my travel dates as Nov 24 and Nov 26.

ASSISTANT: Ok, what is your preferred flight either a direct flight or a connecting flight?

USER: I am looking for direct flight so please check with that.

ASSISTANT: Ok, please tell me your name.

USER: Sure, myself Frank Thomas.

ASSISTANT: There is a direct flight with the ticket cost 200 in the Delta airlines. Can I reserve the ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: I have booked your ticket with the flight-1006.

USER: Thank you for your help.

ASSISTANT: Have a nice journey. Thank you for reaching us.

USER: Most welcome.