You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Patrick Williams here. I want to attend a VLSI workshop in Boston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your airport codes please?

USER: My airport codes are from DFW to BOS.

ASSISTANT: Can you please share your travel dates?

USER: My departure date is 07/25 and return date is 07/27.

ASSISTANT: Delta airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: If the connections limit is 1, then proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked with flight-1028, have a safe journey.

USER: Thanks for helping me.

ASSISTANT: Thank you so much.