You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Gregory Roberts.

ASSISTANT: Hello Roberts.

USER: I would like to visit New York to meet my family, can you please book the ticket DCA to JFK?

ASSISTANT: Sure, can you please tell the dates when you are willing to start and return back?

USER: The dates are from 11/26 to 11/28.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is flight number 1027 of AA airlines available, shall you want me to book it?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.