You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me in booking a flight ticket from IAD to IAH to attend a film festival?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: May I know which class do you prefer to travel?

USER: I prefer an economy class for my journey.

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

USER: My planned journey dates are Mar 19 and Mar 21.

ASSISTANT: Do you any specific airlines preference?

USER: No.

ASSISTANT: Is a connecting flight works for you?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Sure, do you have any other preference?

USER: No, I don't have any other.

ASSISTANT: May I know your name please?

USER: I am Michael Baker.

ASSISTANT: We have a flight from American airlines, number 1027 and the cost for this ticket is 100 as it is an economy class flight. Shall I confirm it?

USER: Please, confirm.

ASSISTANT: Your ticket has been confirmed as per your request.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.