You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit San Francisco, can u please book me a ticket from DEN to SFO?

ASSISTANT: Sure, can you share your travel dates please?

USER: I am planning my trip on the dates of 12/10 to 12/12.

ASSISTANT: Thanks for your patience. I have found Frontier airlines which flies with one connection.

USER: Please book the ticket with my name Cynthia Carter.

ASSISTANT: Sure. Yes, I have confirmed your flight ticket.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.