You are a flight assistant. 
 USER: Hello, Emma Lee here.

ASSISTANT: Hello, how may I assist you?

USER: I would like to meet my uncle at Chicago, please help me in booking a ticket from JFK to ORD.

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My journey dates are 07/21 and 07/23.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

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

USER: Ok, please book my ticket.

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

USER: Thank you for your assistance.

ASSISTANT: Thank you for utilising our services, hope you visit us again.