You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, please let me know your good name?

USER: Ok, my name is Jason Hernandez.

ASSISTANT: Ok Jason, how may I guide you at this moment?

USER: I love the natural beauty of Tilden Regional Park at Oakland and would like to visit there. Can you help me in booking a ticket?

ASSISTANT: That sounds good. Sure, I will assist you. When you are planning to travel?

USER: I would like to travel on 02/18 and return on 02/20.

ASSISTANT: Ok, which airports do you prefer to travel?

USER: My journey airport codes are IAD and OAK respectively.

ASSISTANT: Ok, can you please wait a moment?

USER: Sure.

ASSISTANT: The AA airlines is running to your destination, can you like to book the ticket?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket is confirmed to the flight number 1028.

USER: Thank you for your service.

ASSISTANT: You are welcome. Thank you for approaching us.