You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you for the day?

USER: Can you find a flight for me from DEN to OAK?

ASSISTANT: Sure, I am happy to help you out. Can you please share your travel dates?

USER: Ok, my trip dates are from Feb 09 to 11.

ASSISTANT: May I know your connection limit?

USER: I would like to return in the afternoon time with 1 connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please let me know your name to proceed further.

USER: Ok, Brandon Lee here.

ASSISTANT: Please wait for a moment, let me check for the flight availability.

USER: Get back with good airlines.

ASSISTANT: Sure. We found a Delta airlines with a ticket fare 300, which departs at 14:00 and returns at 19:00. Shall I proceed with booking?

USER: Confirm it.

ASSISTANT: Your ticket has been confirmed with the flight-1028 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.