You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Andrew Perez. I planned a trip to Washington-IAD to meet my friends, so I want to book a ticket from Oakland-OAK.

ASSISTANT: Ok, can you please share your travelling dates?

USER: My departure dates is on 06/12 and return on 06/14.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure, take your time.

ASSISTANT: Andrew, there is a flight available with price 100 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with 1001 flight number.

USER: Thank you for your service.

ASSISTANT: You are welcome.