You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Mary Lee.

ASSISTANT: Ok.

USER: I would like to book a flight ticket from CO-DEN to WA-SEA for shopping with my granny. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: My depart will be on 08/27 and arrival on 08/29.

ASSISTANT: Could you please help me with your price limit?

USER: I can expend upto 1000.

ASSISTANT: There is a Southwest 1024 airline which matches your travelling dates. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed on name of Mary Lee.

USER: Thank you for your response.

ASSISTANT: Thank you for approaching us.