You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Jason Nelson here. I want to book a flight ticket from BOS to LGA. Can you help me in that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your planned trip dates?

USER: My trip dates are Jan 13 to Jan 15.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: My depart time should be in the afternoon.

ASSISTANT: Which class would you prefer for your journey?

USER: I am comfortable with any class.

ASSISTANT: Please, wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, I could not find any flight that matches your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.