You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please reserve me a flight ticket from BOS to PHL to attend a convocation meeting?

ASSISTANT: Sure, please mention your planned dates to make your ticket.

USER: Thank you and I would like to move on Mar 8 and I will recur back on Mar 10.

ASSISTANT: Ok, can you please mention your name to process further.

USER: Sure, my name is Kenneth Robinson.

ASSISTANT: There is a business and economy class in that which type of class you are comfortable with.

USER: I prefer to travel in economy class flight.

ASSISTANT: What is your max connection limit?

USER: I need a single connected flight for my journey.

ASSISTANT: Do you require any other preferences?

USER: No.

ASSISTANT: We regret to inform you that there is no flight going on your way.

USER: Sad to hear that one, I can prefer any other source. Thank you for your help.

ASSISTANT: Thank you for choosing our agency.