You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I aid you today?

USER: I am Melisa Turner. I need to visit Washington to meet my friend so please help me with flight ticket from Chicago.

ASSISTANT: Sure, let me know your travelling dates.

USER: Thank you. I have planned to travel on dates of Jan 24 and Jan 26.

ASSISTANT: Could you please share me your budget for flight ticket?

USER: Sure, my affordable price is 500.

ASSISTANT: May I know your airport codes please?

USER: Sure, I would like to travel from ORD to IAD.

ASSISTANT: We are glad to inform you that we have found a flight with an airline Spirit of flight 1024 and price is 100. Can I confirm?

USER: That is fine, please proceed with booking.

ASSISTANT: Your seat has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.