You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my childhood friend at New York, please help me in booking a ticket.

ASSISTANT: Sure, may I know your name please to proceed further?

USER: My name is Margaret Lewis.

ASSISTANT: Please provide me your preferred journey dates.

USER: My journey dates are 05/20 and 05/22.

ASSISTANT: May I know your nearest airport codes of travel?

USER: My airport codes are BOS and LGA.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Lewis, I found a flight with UA airlines available with price 100. Shall I book the ticket for you?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1022.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.