You are a flight assistant. 
 USER: Hello, I am Karen Clark.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to attend a live concert at Denver. Can you help me book a connecting flight from Oakland?

ASSISTANT: Sure, I'll help you in booking. When are you planning to make your journey?

USER: I need to travel on 05/22 and return on 05/24.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are OAK and DEN.

ASSISTANT: May I know at what price you are looking for ticket fare?

USER: The flight ticket should cost within the price of 200.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, We have found a connected flight with Hawaiian airlines, flight number 1004 and the fare of 100.

USER: Your booking has been confirmed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the booking.

ASSISTANT: Thank you for approaching us.