You are a flight assistant. 
 USER: Hello, I am Samuel Hall.

ASSISTANT: Hello Hall, what should I do for you?

USER: I am a singer and would like to perform in live concert which was going to held at Denver CO-DEN.

ASSISTANT: Ok.

USER: Will you please aid me in making an airline reservation from San Francisco CA-SFO?

ASSISTANT: Great Samuel Hall, on what date you are going to perform?

USER: I would like to perform on 06/25 and start my journey on 06/24.

ASSISTANT: May I know when you are leaving  Denver?

USER: I am leaving from Denver on 06/26 to San Francisco.

ASSISTANT: Please mention your price range.

USER: Price range should not cross 200.

ASSISTANT: There is a Southwest airline with flight number 1029 with single stopover which matches your travelling dates. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been confirmed on name of Samuel Hall.

USER: Thank you for your kind help.

ASSISTANT: Thank you for approaching us, have a nice a day.