You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond Allen.

ASSISTANT: How may I aid you today?

USER: I want to book a flight ticket to MA-BOS from IL-ORD. Can you help me?

ASSISTANT: Sure, we are gleeful to assist you. Could you please mention if you need a connection in between your journey?

USER: Thank you. I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I need a flight ticket at afternoon.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

USER: Nov 25th and 27th are my travelling dates.

ASSISTANT: Ok, please wait while.

USER: OK.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.