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

ASSISTANT: Hello, how can I help you today?

USER: Will you help me to book a flight ticket from BOS to LGA to meet my school friend after a long time?

ASSISTANT: Sure, help me with your journey dates.

USER: My depart is on 03/13 and return on 03/15.

ASSISTANT: Ok, Is there any price limit?

USER: My price limit is 1000.

ASSISTANT: Ok, wait for a while.

USER: OK.

ASSISTANT: Thanks for your time, we found a flight with 1000 number and the airfare is 200 found in JetBlue airline.

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.