You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best serve you today?

USER: Can you please help me to book a flight from EWR to OAK?

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

USER: My travel dates are May 09 to 11.

ASSISTANT: Do you like to go with a connecting or direct flight?

USER: I prefer a connecting flight.

ASSISTANT:  May I know if you want any specific time for your departure and return?

USER: I am comfortable with any time to travel.

ASSISTANT:  Ok, which type of class do you prefer for your journey?

USER: No class preferences.

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

USER: No other specifications.

ASSISTANT: Could you wait for a minute while I check the availability?

USER: Sure.

ASSISTANT: Can I know your good name to proceed further?

USER: I am Kathleen Harris.

ASSISTANT:  There is a flight in Southwest airlines with the ticket price of 200 having one connection and economy class. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us.