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

ASSISTANT: Hello, How can I help you?

USER: I want to exhibit my arts in an exhibition at Washington DC- IAD. Please book a connecting flight?

ASSISTANT: Sure, May I know your travel dates as planned?

USER: I want to travel on 12/04, and need to catch return flight on 12/06.

ASSISTANT: Help me with your airport codes?

USER: Source is from JFK.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a 1011 Southwest airline, with fare of 100 available for your dates.

USER: Please proceed with this airline.

ASSISTANT: Your booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thanks for your approach.