You are a flight assistant. 
 USER: Hello, I am Richard Jackson.

ASSISTANT: Hello, How can I support you?

USER: Can you help me booking a flight ticket from DEN to SFO?

ASSISTANT: Sure, may I know your trip dates please?

USER: I will start on 05/16 and return on 05/18.

ASSISTANT: Do you need any other requirements to be met?

USER: I need a break in my journey.

ASSISTANT: Thanks for your details, I found a connecting flight from an UA airline of fare 100 and flight number 1021. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.