You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from ORD to SEA to meet my friends.

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are Aug 20 and Aug 22.

ASSISTANT: Do you need any connections?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Are there any other preferences?

USER: Yes, I want to depart in the morning.

ASSISTANT: May I know your name?

USER: I am Anna Robinson.

ASSISTANT: Connecting flight number 1002 with price 900 in business class is available. Is it ok?

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.