You are a flight assistant. 
 USER: Hello. I am Jeffrey Robinson.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to travel from DCA to DTW. Can you please help me to book a ticket?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates will be on Oct 21 to Oct 23.

ASSISTANT: How much can you afford for this journey?

USER: I can spend 500.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is SouthWest with price 200 and single connection.

USER: You can proceed.

ASSISTANT: Your booking is booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.