You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me to book a flight ticket from ORD to OAK.

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: My travel dates are 14 to 16 of Feb.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I don't have any specifications.

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: I am Samuel Rodriguez.

ASSISTANT:  There is a flight in American airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed to booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.