You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to travel IAH from IAD, can you please help me with this?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are Mar 29 and Mar 31.

ASSISTANT: Do you have any specifications?

USER: I prefer a connecting flight.

ASSISTANT: Is there any class preferences?

USER: I am comfortable with any class.

ASSISTANT: May I know your good name?

USER: Stephanie Hill here.

ASSISTANT: We found a direct flight in Delta airlines, flight number is 1018 and price is 200 economy class. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.