You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Clark.

ASSISTANT: Brenda Clark, how may I assist you today?

USER: I want to travel from SFO to IAH. Can you book a flight ticket for me?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: I want to travel in the flight on Dec 19 and Dec 21.

ASSISTANT: Please help me with your class preference.

USER: No, but I want to depart in afternoon time.

ASSISTANT: Do you need a direct or connecting flight?

USER: I want to have a connection of 1.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Please allow me a minute.

USER: Ok, take your time.

ASSISTANT: Thank you. We have a connecting flight operated by Frontier Airlines with a fare of 100 that departs at 13 PM. Is it ok for you?

USER: Yes, book the ticket.

ASSISTANT: I have booked your ticket in flight-1018. It returns at 8 AM.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a great time.