You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book a flight ticket from DCA to DFW to attend a business meeting.

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are June, 15 and June, 17.

ASSISTANT: Can I know your name?

USER: Patricia Hill here.

ASSISTANT: Let me know your connection preferences?

USER: I am looking for a single connection.

ASSISTANT: Do you have any requirements?

USER: No, thanks.

ASSISTANT: There is a connecting flight 1006 of Frontier airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: You are welcome.