You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you for the day?

USER: Can you help me in booking flight ticket from DEN to OAK?

ASSISTANT: Sure, when are you planning to depart and return on?

USER: My trip dates are Jan 10 to Jan 12.

ASSISTANT: Do you prefer a connecting flight?

USER: I prefer to travel in connecting flight.

ASSISTANT: Can I know your good name?

USER: Amy Mitchell here.

ASSISTANT: Thank you for your information, we found a connecting flight 1014 in economy class which is in Delta airline. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.