You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Deborah Williams here.

ASSISTANT: How can I aid you today?

USER: I want to make a trip from OAK to DEN. Can you please help me to book a flight?

ASSISTANT: Sure, I will help you in booking, can you share me your travelling dates?

USER: Sure, I want to fly on Oct 13 and intend to return on Oct 15.

ASSISTANT: Just give a moment.

USER: Sure.

ASSISTANT: There is a flight with the price of 100 and one connection. Can I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed with the flight-1021.

USER: Thank you.

ASSISTANT: Thank you for reaching us.