You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Kimberly Roberts. Could you help in in booking tickets for my vacation.

ASSISTANT: Sure, I can help you with that.

USER: I want to travel to San Francisco from Denver.

ASSISTANT: Please provide the airport codes for San Francisco and Denver.

USER: The airport codes are SFO and DEN respectively.

ASSISTANT: OK, please provide the dates you would like to travel?

USER: The dates are 08/31 to 09/02.

ASSISTANT: OK. Is there any connection limit and price limit for you?

USER: Please make sure the price of the ticket is around 200 as I'm on a tight budget. I prefer 1 connection.

ASSISTANT: Sure. I found a flight for you with price 100, hope it is good for you.

USER: Yes, that's great. Please book the ticket.

ASSISTANT: Your ticket has been booked with Hawaiian airline.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.