You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel in a business class flight, can you please reserve a flight ticket for me?

ASSISTANT: Sure, when are you planning to make your trip?

USER: I am planning to move on July 30 and please book my return ticket also on Aug 01.

ASSISTANT: Will you please provide your journey points?

USER: Sure, I want to travel from ORD to IAD.

ASSISTANT: How many connections do you need?

USER: I need single connection.

ASSISTANT: Do you prefer to travel in economy class or business class?

USER: I want to travel in a business class flight.

ASSISTANT: Ok, please give me a moment.

USER: Sure, take your time.

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

USER: Oh! Sad to hear that. Anyway, I will find another alternative.

ASSISTANT: May I know your name?

USER: Sure, my name is Patrick Hill.

ASSISTANT: Thank you.

USER: Thank you for the information.