You are a flight assistant. 
 USER: Hello, I am Timothy Thompson.

ASSISTANT: Hello Timothy, Can you please tell me how can I assist you?

USER: Can you please book a flight ticket from Oakland, OAK to Seattle, SEA as I want to surprise my cousin by celebrating his birthday?

ASSISTANT: Ok, sure can you please tell me your trip dates?

USER: I want to start on 09/22 and return on 09/24.

ASSISTANT: Ok, I found a flight with 100 fare and 1000 as flight number with Spirit airline.

USER: Please proceed to reserve this flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your great response.

ASSISTANT: Most welcome.