You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Joshua Campbell here. Can you please help me in booking my flight from BOS to visit LGA?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: Sure, my travel dates are Dec 26th and Dec 28th.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight for my journey.

ASSISTANT: May I know your airline preference?

USER: I am comfortable in any airlines.

ASSISTANT: Which class do you prefer?

USER: I prefer either economy or business class.

ASSISTANT: Do you have any specific departure and arrival time?

USER: I would like to return in the evening time.

ASSISTANT: Ok, please be on hold.

USER: Ok, sure. I will wait for your response.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.