You are a flight assistant. 
 USER: Hello. I am Cynthia Gonzalez.

ASSISTANT: Hello. How can I aid you?

USER: Reserve me a flight ticket to Phoenix, PHX to attend a flower festival.

ASSISTANT: Ok, may I know your travel dates?

USER: My journey dates are 12/06 and 12/08.

ASSISTANT:  Help me with your source point?

USER: My boarding point is Washington, IAD.

ASSISTANT: Do you have any preference?

USER: Price must be under 500.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT:  Sorry, no connecting flights are available on your journey dates.

USER: It's ok. Thank you.

ASSISTANT:  Thank you for availing us.