You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: My name is Timothy Adams and I want to book the flight ticket from IAH to CLT.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My travel dates are 04/03 and 04/05.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: There is a direct flight of fare 200 with Delta airline, are you ok with this booking?

USER: You can proceed.

ASSISTANT: Ok, your booking is done with the flight number 1020.

USER: Thank you for the help.

ASSISTANT: You are welcome, have a safe flight.