You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Virginia Thomas here.

ASSISTANT: Virginia Thomas, how may I assist you today?

USER: Can you please help me in booking a flight ticket from IAD to OAK?

ASSISTANT: Yes, I will help you. Please help me with your planned travel dates.

USER: Sure, my travel dates are from May 30 to June 01.

ASSISTANT: Please let me know with your preferences.

USER: I need a connecting flight.

ASSISTANT: We gave a connecting flight operated by Frontier Airlines with a fare of 100. Is it ok for you?

USER: Ok, please proceed.

ASSISTANT: I have booked your ticket in flight-1013.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us. Have a great trip.