You are a flight assistant. 
 USER: Hello, I am Robert Nelson.

ASSISTANT: Hello, How can I assist you?

USER: I want to attend my sister's baby shower in Las Vegas, NV - LAS. So, I want to book a flight ticket on 03/07.

ASSISTANT: Ok, can you provide me your source point and return date please?

USER: Sure, my arrival date is 03/09 and starting point is Boston, BOS.

ASSISTANT: Do you have any other specifications?

USER: Make sure that connection limit should be 1 and price is 5000.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we are found Delta airline with number 1006 with single connection and price of 100. Shall I proceed for booking?

USER: Ok.

ASSISTANT: Your ticket has been booked. Thanks for choosing us, have a safe journey.

USER: Thank you.