You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Virginia Martinez. Can you help me with the flight ticket booking from OAK to DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: Ok, please book a ticket for the dates Mar 28 and 30th respectively.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight please check.

ASSISTANT: May I know your class preference?

USER: Yes, I need a business class flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Please take your own time.

ASSISTANT: We found a flight from UA airlines with a ticket fare 900, which departs at 7:00 AM and returns at 3:00 AM, shall I proceed with booking?

USER: Ok, please book.

ASSISTANT: Your ticket is confirmed with the flight-1010 in business class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.