You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please help me to book flight ticket from OAK to DEN?

ASSISTANT: Sure, we are happy to assist you in booking. Can I have your name please?

USER: I am John Martinez.

ASSISTANT: Help me with your journey dates, so that it will be easier to move further in booking.

USER: My journey dates are Nov 21 and Nov 23.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Jet Blue airline with the flight number-1003 and the fare 100.

USER: You can proceed.

ASSISTANT: Shall I book the connecting flight?

USER: Yes, you can confirm.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.