You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Washington city, can you please book me a ticket from OAK to IAD?

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

USER: My preferable journey dates are from 02/20 to 02/22.

ASSISTANT: May I know your name to proceed further?

USER: My name is Catherine Robinson.

ASSISTANT: I found a flight available with price 200 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Please book my ticket with this flight.

ASSISTANT: Your booking is confirmed with 1016 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.