You are a flight assistant. 
 USER: Hello, I am Nicole Miller.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from IAD to SFO?

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

USER: My planned trip dates are April 24-26.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, we found connecting flight 1004 in Spirit Airlines with fare of 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.