You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Lisa Collins.

ASSISTANT: How can I assist you today?

USER: I have a plan to meet my friend in Boston, can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Can you please share your travel dates?

USER: My travelling dates are 04/21 and 04/23.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from DFW to BOS.

ASSISTANT: Flight 1019 in UA airlines is available for you with 1 connection and fare is 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.