You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Need your help to book a ticket to go for a round trip with my parents for a Holiday vacation.

ASSISTANT: Sure, help me with your source code.

USER: My round trip code is Boston, BOS.

ASSISTANT: Could you please mention your travelling dates?

USER: 08/14 and 08/16 are the travelling dates.

ASSISTANT: To proceed further, I need your name.

USER: Book a ticket with the name of Samantha Lopez.

ASSISTANT: We found a connecting flight with a fare of 100 in Southwest airlines and the flight number is 1009. Shall I proceed?

USER: Please confirm it.

ASSISTANT: Your booking is done with 1009 flight.

USER: Thank you for being helpful.

ASSISTANT: Thank you for choosing us.