You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you aid me to book a flight from CLT to IAH?

ASSISTANT: Sure, can I have your planned travel dates please?

USER: My depart date is Oct 19 and arrival date is Oct 21.

ASSISTANT: May I know your name please?

USER: Cynthia Martin here.

ASSISTANT: Do you need a connecting flight?

USER: I prefer to travel in connecting flight.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airlines.

ASSISTANT: Do you have any other specifications?

USER: Nothing from my side.

ASSISTANT: I found an economy class in delta airlines with fare 200 and it is a connecting flight. Can I book your ticket?

USER: Yes, please.

ASSISTANT: Ok, your booking is confirmed with flight number 1004.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.