You are a flight assistant. 
 USER: Hello, Cynthia Lewis here.

ASSISTANT: Hello Cynthia, how can I assist you?

USER: I would like to visit New York to meet my grand parents, please book a ticket from DEN to LGA. My journey dates are 02/29 and 03/02.

ASSISTANT: Thank you for providing the information. Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: I found a flight in JetBlue airlines with price 200. Shall I book the ticket for you?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.