You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I want to book my ticket from Houston, HOU to Atlanta, ATL. Will you please help me with booking a flight ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: My planned travel dates are July 12 and July 14.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I am looking for a connecting flight in my journey.

ASSISTANT: Do you have any other preferences?

USER: I would like to book my ticket in business class.

ASSISTANT: May I know your name?

USER: Sure, myself Robert Parker.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, there are no flights going on your way at this moment.

USER: That's ok, no problem. Thank you for your service.

ASSISTANT: Thank you for choosing us.