You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Hernandez here.

ASSISTANT: How can I help you Jonathan?

USER: I am a movie actor, I have to reach San Francisco for my movie shoot. Could you book my ticket from DEN to SFO?

ASSISTANT: Sure, please share your journey dates.

USER: My itinerary dates are 09/18 and 09/20.

ASSISTANT: I found a flight 1019 with UA airlines for you.

USER: Please book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.