You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I help you?

USER: I would like to book a ticket from OAK to SEA, can you please help me out?

ASSISTANT: Sure, I am here to help you with that. Can you please tell me your travel dates?

USER: I am travelling on these dates May 2nd and 4th.

ASSISTANT: Ok, on which airlines do you prefer to travel?

USER: No, I need single connected flight. I don't have any other preferences.

ASSISTANT: May I know your name please?

USER: Mary White here.

ASSISTANT: An United Airlines is found in this route which is matching to your requirement. Can I reserve an economy class ticket?

USER: Ok, you can proceed with this flight.

ASSISTANT: I have reserved your ticket with the flight-1017 and the ticket cost is 200. Have a nice journey.

USER: Thank you for your services.

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