You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Scott Gonzalez.

ASSISTANT: How can I serve you today?

USER: I would like to go Denver to attend our convocation so can you please book me a flight ticket within price 200?

ASSISTANT: Sure Scott Gonzalez, I am here to help you, Can you please share your journey dates that you prefer to travel?

USER: Sure, I will prefer to travel on 10/20 and 10/22.

ASSISTANT: Please let me know your travelling airport codes.

USER: Yes, my source and destination point is DFW and DEN.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok, take your time.

ASSISTANT: We found a airline with fare of 100 which matches your travelling dates. Shall I proceed with booking in Spirit airline?

USER: Please go ahead with the booking.

ASSISTANT: Your booking has been done with name of Scott Gonzalez in Spirit 1000 airline.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a great day.