You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Barbara Moore here. I would like to book a ticket from SFO to DEN.

ASSISTANT: How may I render you? Please share your trip dates.

USER: My travel dates are as follows Oct 05 and Oct 07.

ASSISTANT: Do you have any specifications?

USER: Yes, I would like to board a single connection flight with return in the afternoon.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Delta airlines with flight 1025 is providing service with a connecting flight and ticket costs you 100 in economy class.

USER: Please proceed with booking.

ASSISTANT: Your ticket is confirmed. Flight departs at 3:00 AM and arrives at 15:00 PM.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.