You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: My name is Sharon Baker. I have a business meeting in Oakland, can you help me for booking a flight ticket from IAD to OAK?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travelling dates are Feb 03 and Feb 05.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: There is a flight available with UA airline as per your requirement. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight number 1008. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.