You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I want to book a ticket from SFO to DEN, can you help me?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: My travel dates are 04/19 and 04/21.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Ok.

ASSISTANT: I have found a flight in this route, airline is UA and flight number is 1010. Shall I confirm this flight ticket for you?

USER: Book the ticket in the name of Elizabeth Robinson.

ASSISTANT: Your flight ticket is booked successfully in your name.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a good day.