You are a flight assistant. 
 USER: Hello. I am Michelle Lewis.

ASSISTANT: Hello, how may I render you today?

USER: I planned to attend for a meeting in SFO, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, we are here to help you. Could you please provide your depart and arrival dates?

USER: My preferable journey dates are from Sept 08 and Sept 10.

ASSISTANT: Do you have any specifications?

USER: I prefer connecting flight on this route.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Frontier airline. Shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket has been confirmed with a flight number 1001.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.