You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: Can you check is there any flight on 6th Jan to San Francisco?

ASSISTANT: May I know your return travel date?

USER: I will return on Jan 08th.

ASSISTANT: Please share me your source and destination codes.

USER: My source point is DEN and my destination is SFO.

ASSISTANT: Do you have any other specifications?

USER: I prefer a connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: My name is Brian Martinez.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 with flight number 1003. Shall I proceed with this flight?

USER: Please proceed with this flight.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.