You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I would like to book a ticket from IAD to IAH, can you please help me out?

ASSISTANT: Sure, I am happy to provide you the service of booking the ticket. Can I know your travel dates?

USER: I am travelling on these dates  Nov 24th and 26th.

ASSISTANT: Which airlines do you prefer to mostly?

USER: I I would not prefer low cost airlines.

ASSISTANT: Ok, which type of class do you prefer?

USER: I don't have any class preference.

ASSISTANT: On which name do you want me to book the ticket?

USER: Book the reservation on the name  Brenda Phillips.

ASSISTANT: Ok, please give me a minute.

USER: I need single connected flight.

ASSISTANT: There is a flight in the normal-cost airlines that is American Airlines which is having a single connection limit and the ticket cost is 100 in an economy class. Can I proceed to book the ticket?

USER: Ok, you can proceed.

ASSISTANT: I have reserved your ticket with the flight-1001 which departs in the morning time and returns in the afternoon time.

USER: Thank you for your services.

ASSISTANT: You are welcome. Thank you for approaching us.