You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight from CLT to DEN. Can you please book a flight for me?

ASSISTANT:     Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you want to travel?

USER: I want to travel on Jan 5 and need to return on Jan 7.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your name please?

USER: I am Christopher Clark.

ASSISTANT: Ok, please share your other preferences.

USER: I prefer an normal cost airline.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with number 1023 at a price of 1000 in business class provided by United airlines. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a good day.