You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from DEN to OAK. Can you help me to book a flight ticket?

ASSISTANT: Please share me your journey dates.

USER: I want to fly in the flight on Feb 23 and Feb 25.

ASSISTANT: Do you need any connection limit?

USER: I don't have any preference on connections.

ASSISTANT: If you have any connection limit, let me know?

USER: No.

ASSISTANT: May I know your name to proceed further.

USER: Jeffrey Smith.

ASSISTANT: There is a flight in economy class in Frontier Airlines and ticket fare of 100. Can I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket is reserved with flight 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.