You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Jonathan Carter here. Can you book a ticket from SEA to SFO?

ASSISTANT: Can I know your travel dates?

USER: Ok, here are my travel dates 07/16 and 07/18.

ASSISTANT: The flight 1025 of Spirit airlines is available on your requested dates with 1 connection. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Carter, your ticket is booked successfully.