You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: On the name of Gregory Miller, book a ticket to meet my friend who is at Washington, IAD.

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

USER: Travelling dates are 08/09 and 08/11.

ASSISTANT: May I know your price limit for flight?

USER: 5000 is the price limit.

ASSISTANT: Could you please share me your source point?

USER: MSP is my source point.

ASSISTANT: There is a flight found with airline Hawaiian of flight 1008 and cost is 100.

USER: Fine.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.