You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in reserving my flight from OAK to reach DEN?

ASSISTANT: Please provide me your travelling dates.

USER: Thank you, my planned journey dates are Sep 16th and Sep 18th.

ASSISTANT: Do you need any connection limit?

USER: I prefer a flight which has maximum of a single connection.

ASSISTANT: Can I know your preferable timings?

USER: I am comfortable at any timings.

ASSISTANT: Do you need any other requirements?

USER: I prefer normal cost airlines.

ASSISTANT: May I know your name for reservation?

USER: My name is Nicholas Garcia.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 17:00 hours and arrives at 14:00 hours, shall I book your ticket in this flight?

USER: Ok, please confirm it.

ASSISTANT: Your ticket is reserved with flight 1025.

USER: Thanks for the great service.

ASSISTANT: Thank you for choosing us.