You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Cynthia Jackson.

ASSISTANT: Jackson, how may I assist you today?

USER: I want to travel from DC-IAD to MN-MSP for attending a function.Could you please help me for booking a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My departure date is 11/20 and return date is 11/22.

ASSISTANT: Ok, wait for a moment.

USER: Make sure my price limit is 500 and the connections limit is 1.

ASSISTANT: Sorry Jackson, no flights as per your details.

USER: Ok, thank you for helping me.

ASSISTANT: It's my pleasure. Have a good day Jackson.