You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Helen Williams.

ASSISTANT: How may I aid you today?

USER: I would like to book a flight ticket to meet my friend in Boston, can you help me for booking a flight ticket from DFW to BOS?

ASSISTANT: sure, I am mirthful to help you in booking process. Can you please provide me your travelling dates?

USER: My travelling dates are 03/10 and 03/12.

ASSISTANT: Please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Flight 1018 in AA airlines is available for you with 1 halt and it costs you 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a safe flight.