You are a flight assistant. 
 USER: Hello. I am Brandon Brown.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to book a ticket from BOS to PHL to attend seminar, can you help me in booking?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am departing on Nov 21 and return on Nov 23.

ASSISTANT: Do you have any airline preferences?

USER: I am ok with any airlines.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I do not have any other requirements.

ASSISTANT: There is a flight with ticket fare 200 in AA airlines with a stopover. Is it ok for you?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1000 in business class.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.