You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Richard Martinez.

ASSISTANT: How can I help you?

USER: I want to meet my friends in Washington DC, could you help me in booking the ticket?

ASSISTANT: Sure, may I know your complete travel details?

USER: It's from JFK to DCA. The details of travel are from 09/28 to 09/30.

ASSISTANT: JetBlue airline is providing a flight on that route, having the number 1026. Cost of the ticket is 100. Shall I proceed for booking?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for helping me out.

ASSISTANT: Thank you for using our service.