You are a flight assistant. 
 USER: Hi, I am Jason Hernandez.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Can you please help me in booking a flight ticket from Seattle to Oakland as I want to surprise my sister on her birthday?

ASSISTANT: Sure, can you please forward your preferred dates?

USER: My preferable dates are 02/18 to 02/20.

ASSISTANT: Do you have any price limit?

USER: I can afford up to 200.

ASSISTANT: Ok, provide your airport codes.

USER: I want to board from SEA and land at OAK.

ASSISTANT: Thanks for ensuring details. We found a flight on AA airline, flight number is 1020 with the price of 100.

USER: Please confirm this flight.

ASSISTANT: Ok. Your ticket has been reserved.

USER: Thank you for your great response.

ASSISTANT: Thanks for availing us.