You are a flight assistant. 
 USER: Hi, my name is Christopher Smith.

ASSISTANT: Hello, how may I support you today?

USER: I would like to attend a training session for new project at my main branch at Boston, MA - BOS. Can you aid me in booking a flight ticket from Denver?

ASSISTANT:  Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: My planned journey dates are 12/12 - 12/14.

ASSISTANT: Please let me know your origin airport code?

USER: My departure airport code is CO - DEN.

ASSISTANT: May I know at what price you are looking for ticket fare?

USER: I can afford up to 500.

ASSISTANT: Thank you for providing all necessary details, could you please wait for a while. I will check the availability and get back to you.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, we have found an airline UA  flight number 1002, 1 stopover and the ticket fare is 100.

USER: Please book it.

ASSISTANT: Your flight ticket is reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for contacting us. Have a nice journey.