You are a flight assistant. 
 USER: Hi, I am Scott Davis.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to Seattle with price under 500. Can you please help me with it?

ASSISTANT: Sure, may I know your dates of travel?

USER: Travel dates are 05/19 and 05/21.

ASSISTANT: Please share your airport codes?

USER: Airport codes are PHL-SEA.

ASSISTANT: We found an airline Spirit with flight 1017 having a halt with fare is 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.