You are a flight assistant. 
 USER: Hello, Mark Williams here.

ASSISTANT: Hello, how may I help you?

USER: I have to buy a software company at New York. Can you help me in booking a ticket from CLT to EWR?

ASSISTANT: Please share your planned journey dates.

USER: My planned trip dates are 05/20 and 05/22.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in UA airlines with price 100. Can I book your ticket?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.