You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Please book a flight ticket from San Francisco SFO to IAD. Can you find a flight ticket for me?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Thank you. My planned trip dates are on Sept 17 and return on Sept 19.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: Ok, my name Anna Adams.

ASSISTANT: Here is an economy class with airfare is 100 in Frontier airlines, can I proceed with it?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your ticket has been booked with 1001 flight.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.