You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from SFO to IAD to meet my friends. Could you please help me with booking a flight ticket?

ASSISTANT: Let me know your name.

USER: I am Pamela Collins.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are Jan 8 and Jan 10.

ASSISTANT: Do you have any preference?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Found ticket with Delta airlines for price 100 having flight number 1000.

USER: You can proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.