You are a flight assistant. 
 USER: Hello, my name is Andrew Carter.

ASSISTANT: Hello, how can I assist you?

USER: I would like to visit National Gallery of Art in Washington, DC - IAD. Can you book a flight ticket from New York, NY - LGA?

ASSISTANT: Sure, provide me your travel dates?

USER: I wish to travel on 01/27 and willing to return on 01/29.

ASSISTANT:  Do you have any preference?

USER: My price limit is 5000.

ASSISTANT: We found a connecting flight Frontier with flight number 1013 and fare is 100.

USER: You can proceed with the booking.

ASSISTANT:  Your booking is confirmed.

USER: Thanks for your help.

ASSISTANT:  Thank you for opting us.