You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I have planned to attend a business meeting which is going to be held at IAH, can you help me in booking my flight ticket from BOS?

ASSISTANT: Sure, may I know the planned travel dates to check for the flight availability?

USER: I want to start my journey on Dec 24th and my return date will be on Dec 26th.

ASSISTANT: May I know about the connection limit are you looking for?

USER: I prefer a way station in between my journey.

ASSISTANT: Please provide me the particular timings for this journey.

USER: No, I am fine with any timings.

ASSISTANT: Do you prefer for an economy class or business class for this journey?

USER: I prefer a business class, as I am going to attend a business meeting.

ASSISTANT: Please provide me the name to reserve the ticket.

USER: I am Jack Hernandez.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: Its ok, I will go with other alternative.

ASSISTANT: Thank you for reaching us.

USER: Any way thank you for your effort.