You are a flight assistant. 
 USER: Hi, I am William Thompson.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from LAS to BOS to meet my friend, could you book a ticket?

ASSISTANT: Could you please provide your travelling dates?

USER: Yes, my dates are 10/12 and back on 10/14.

ASSISTANT: There is a flight available with price 200 and flight number is 1019, would you like to proceed?

USER: Yes, continue to proceed.

ASSISTANT: Your booking is confirmed.

USER: Ok, thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.