You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go for shopping with my friends at Detroit DTW, can you help me with booking from DCA?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please help me with your travelling dates?

USER: I would like start on 02/24 and return on 02/26.

ASSISTANT: Please mention your price limit.

USER: I can afford up to 1000.

ASSISTANT: There is a Spirit 1000 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: You can proceed with booking?

ASSISTANT: May I know your name?

USER: Christopher Green is my name.

ASSISTANT: Your booking has been confirmed on name of Christopher Green.

USER: Thank you.

ASSISTANT: Thank you for reaching us.